NTSE Mental Ability Test

NTSE Mental Ability

This is NTSE Mental Ability Test. There are 50 questions in this test with each question having around four answer choices.

Questions & Answers

1
If \(\frac{a}{{a + b}} = \frac{{17}}{{23}}\), what is \(\frac{{a + b}}{{a - b}}\)equal to?
  • A
    \(\frac{{11}}{{23}}\)
  • B
    \(\frac{{23}}{{11}}\)
    Correct
  • C
    \(\frac{{23}}{{17}}\)
  • D
    \(\frac{{17}}{{32}}\)
2
If the annual decrease in the population of a town by 5% and the present population be 68590, what was the population three years ago?
  • A
    60000
  • B
    80000
    Correct
  • C
    86000
  • D
    65000
3
If the number 82\(*\)091 is divisible by 11, then the digit in the place of starmark (\(*\)) will be
  • A
    6
  • B
    7
  • C
    9
  • D
    8
    Correct
4
The average of x numbers is 3x. If (x-1) is subtracted from each given number, what will be the new average?
  • A
    2x-1
  • B
    2x+1
    Correct
  • C
    Data inadequate
  • D
    3(x-1)
5
A box contains 276 coins of 5 rupees, 2 rupees and 1 rupee. The value of each kind of coins are in the ration 2:3:5 respectively. The number of 2 rupees coins is
  • A
    52
  • B
    60
    Correct
  • C
    76
  • D
    85
6
A sum of money becomes six times at the simple interest rate of 5% per annum. At what rate per cent will it become twelve fold? [The time period is unaltered].
  • A
    11 percent
    Correct
  • B
    10 percent
  • C
    9 percent
  • D
    12 percent
7
For any real number x, the maximum value of \(4 - 6x - {x^2}\) is
  • A
    9
  • B
    11
  • C
    17
  • D
    13
    Correct
8
The length of side of an equilateral triangle is 12 cm. Find the ratio of the areas of the circle circumscribing the triangle to the circle inscribing the triangle.
  • A
    it is 5:4
  • B
    it is 2:1
  • C
    it is 4:1
    Correct
  • D
    it is 3:2
9
Two right circular cylinders of equal volume have their heights in the ratio of 4:9. Find the ratio of their curved surface areas.
  • A
    it is 9:4
  • B
    it is 4:9
  • C
    it is 3:2
  • D
    it is 2:3
    Correct
10
A boy was asked to multiply a given number by \(\frac{8}{{17}}\). Instead, he divided the given number by \(\frac{8}{{17}}\) and got the result 225 more than what he should have got if he had multiplied the number by \(\frac{8}{{17}}\). The given number was
  • A
    64
  • B
    136
    Correct
  • C
    17
  • D
    8
11
Find the missing number in series: 4, 16, 36, 64, ?, 144
  • A
    90
  • B
    121
  • C
    100
    Correct
  • D
    81
12
Find the missing number in series: 2, 5, 10, 17, 26, ?
  • A
    27
  • B
    37
    Correct
  • C
    42
  • D
    32
13
Find the missing number in series: 9, 81, 90, 810, 819, ?
  • A
    8100
  • B
    1638
  • C
    7371
    Correct
  • D
    900
14
Find the missing number in series: 15, 150, 1800, ?, 15
  • A
    140
  • B
    180
    Correct
  • C
    120
  • D
    160
15
Find the missing number in series: 100, 121, 144, ?, 196, 225
  • A
    179
  • B
    149
  • C
    189
  • D
    169
    Correct
16
Find the missing number in series: 3, 12, 27, 49, 79, ?
  • A
    116
  • B
    112
  • C
    108
  • D
    118
    Correct
17
Find the missing number in series: 15, ?, 30, 20, 60, 40
  • A
    10
    Correct
  • B
    80
  • C
    50
  • D
    70
18
Find the missing number in series: 11, 17, 26, 38, ?
  • A
    42
  • B
    58
  • C
    53
    Correct
  • D
    47
19
Find the missing number in series: 13, 41, 126, ?, 1151
  • A
    882
  • B
    382
    Correct
  • C
    582
  • D
    1082
20
Find the missing number in series: 3, 15, 35, 63, ?, 143
  • A
    99
    Correct
  • B
    89
  • C
    69
  • D
    79
21
Odd one out:
  • A
    Mercury
  • B
    Challenger
    Correct
  • C
    Jupiter
  • D
    Mars
22
Odd one out:
  • A
    Letter
  • B
    Benign
    Correct
  • C
    Beggar
  • D
    Hotter
23
Odd one out:
  • A
    Truthful
  • B
    Pensive
    Correct
  • C
    Sly
  • D
    Virtuous
24
Odd one out:
  • A
    Chromium
    Correct
  • B
    Bromine
  • C
    Chlorine
  • D
    Fluorine
25
Odd one out:
  • A
    QSU
    Correct
  • B
    DIN
  • C
    AFK
  • D
    LQV
26
Odd one out:
  • A
    97
    Correct
  • B
    117
  • C
    153
  • D
    135
27
Odd one out:
  • A
    Eris
  • B
    Titan
  • C
    Haumea
  • D
    Urenus
    Correct
28
Odd one out:
  • A
    HGFE
  • B
    TSRQ
  • C
    PONM
  • D
    HGFL
    Correct
29
Odd one out:
  • A
    Creator
  • B
    Educated
  • C
    Beauty
    Correct
  • D
    Qualify
30
Odd one out:
  • A
    Liver
  • B
    Lung
  • C
    Kidney
  • D
    Eyes
    Correct
31
Find similar relationship: Kite : Bird, ? : Fish
  • A
    Boy
  • B
    Snake
  • C
    Crow
  • D
    Submarine
    Correct
32
Find similar relationship: Scissors : Cloth, Razor : ?
  • A
    Eye
  • B
    Leg
  • C
    Hair
    Correct
  • D
    Hand
33
Find similar relationship: Water : Ice, Steam : ?
  • A
    Fire
  • B
    Water
    Correct
  • C
    Boil
  • D
    Heat
34
Find similar relationship: Brick : Building, Straw : ?
  • A
    Product
  • B
    Hut
    Correct
  • C
    Drink
  • D
    Liquid
35
Find similar relationship: Octopus : Mollusca, Spider : ?
  • A
    Genus
  • B
    Porifera
  • C
    Arthopoda
    Correct
  • D
    Clean
36
Find similar relationship: Plumber : Wrench, Student : ?
  • A
    Pen
    Correct
  • B
    Pupil
  • C
    Study
  • D
    School
37
Find similar relationship: Pituitary : Brain, Thymus : ?
  • A
    Spinal Cord
  • B
    Throat
  • C
    Larynx
  • D
    Chest
    Correct
38
Find similar relationship: Heart : Pericardium, Brain : ?
  • A
    Head
  • B
    Skull
  • C
    Meninges
    Correct
  • D
    Cranium
39
Find similar relationship: 216 : 37, 343 : ?
  • A
    50
    Correct
  • B
    30
  • C
    40
  • D
    20
40
Find similar relationship: Eye : Myopia, Teeth : ?
  • A
    Eczema
  • B
    Cataract
  • C
    Trachoma
  • D
    Pyorrhoea
    Correct
41
Numbers are placed in figures on the basis of some rules. Find the missing number in figure:
Question 41 figure 1
  • A
    120
    Correct
  • B
    119
  • C
    121
  • D
    111
42
Numbers are placed in figures on the basis of some rules. Find the missing number in figure:
Question 42 figure 1
  • A
    118
  • B
    123
  • C
    119
  • D
    121
    Correct
43
Numbers are placed in figures on the basis of some rules. Find the missing number in figure:
Question 43 figure 1
  • A
    16
    Correct
  • B
    21
  • C
    61
  • D
    81
44
Numbers are placed in figures on the basis of some rules. Find the missing number in figure:
Question 44 figure 1
  • A
    72
  • B
    76
  • C
    68
  • D
    70
    Correct
45
Numbers are placed in figures on the basis of some rules. Find the missing number in figure:
Question 45 figure 1
  • A
    5
  • B
    13
  • C
    4
  • D
    15
    Correct
46
Numbers are placed in figures on the basis of some rules. Find the missing number in figure:
Question 46 figure 1
  • A
    184
    Correct
  • B
    241
  • C
    425
  • D
    210
47
Numbers are placed in figures on the basis of some rules. Find the missing number in figure:
Question 47 figure 1
  • A
    3
  • B
    4
  • C
    6
  • D
    5
    Correct
48
Numbers are placed in figures on the basis of some rules. Find the missing number in figure:
Question 48 figure 1
  • A
    16
  • B
    14
  • C
    15
    Correct
  • D
    1
49
Numbers are placed in figures on the basis of some rules. Find the missing number in figure:
Question 49 figure 1
  • A
    64, 150
  • B
    27, 150
  • C
    64, 160
  • D
    27, 160
    Correct
50
Numbers are placed in figures on the basis of some rules. Find the missing number in figure:
Question 50 figure 1
  • A
    616
    Correct
  • B
    324
  • C
    442
  • D
    576