Primary Maths Test

Primary Maths

This is Primary Maths Test-03 for CTET, Central Teacher Eligibility Test conducted by CBSE.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
The sales tax on a refrigerator at the rate of 9% is Rs.1,170, then the actual sale price is
  • A
    Rs.13,000
    Correct
  • B
    Rs.20,000
  • C
    Rs.12,960
  • D
    Rs.10,530
2
Ramu is now half as old as his father. Fifteen years ago the father’s age was three times as old as Ramu. Then their present ages are
  • A
    42, 84
  • B
    30, 60
    Correct
  • C
    24, 84
  • D
    40, 80
3
Easwari deposited Rs.350 per month for 6 years in a recurring deposit account in a post office. If she received Rs.32,865, then the rate of interest is
  • A
    15%
  • B
    10%
  • C
    8%
  • D
    6%
    Correct
4
The radius and height of a cylinder are in the ration 5 : 7. If its volume is 440cu. cm then the radius of the cylinder is
  • A
    20 cm
  • B
    15 cm
  • C
    10 cm
    Correct
  • D
    25 cm
5
Find the area of the shaded portions in the figure, where ABCD is a square of side 21 cm.
Question 5 figure 1
  • A
    256$cm^2$
  • B
    252 $cm^2$
    Correct
  • C
    140$cm^2$
  • D
    272$cm^2$
6
The three angle bisectors of a triangle are concurrent and the point of concurrence is called the
  • A
    circumcentre
  • B
    orthocenter
  • C
    in centre
    Correct
  • D
    centroid
7
If two circles of radii r1 and r2 touch internally, the distance between their centres is equal to
  • A
    2r2
  • B
    2r1
  • C
    r1 – r2
  • D
    r1 + r2
    Correct
8
A, B and C can do a work in 12, 15 and 20 days respectively. They all work for one day. Then B leaves the group. In how many days will A and C complete the rest of the work?
  • A
    7 days
  • B
    8 days
  • C
    9 days
  • D
    6 days
    Correct
9
Area of a trapezium is 33.32 cm2. Its one side is 8 cm and height 5.6 cm, then the another side is
  • A
    11.9 cm
    Correct
  • B
    3.9 cm
  • C
    5.9 cm
  • D
    8.9 cm
10
The mean of the mode and median of the following data 17, 15, 9, 13, 24, 7, 12, 21, 10,
  • A
    14
  • B
    19
    Correct
  • C
    24
  • D
    21
11
If x – y = 6 and xy = 4 then the value of $x^3$ – $y^3$ is
  • A
    272
  • B
    288
    Correct
  • C
    248
  • D
    – 288
12
If one of the factors of the expression x3 – 3x2 – x + 3 is (x + 1), then the other factors are
  • A
    (x – 1), (x + 2)
  • B
    (x + 1) (x + 3)
  • C
    (x – 1), (x – 3)
    Correct
  • D
    (x + 1), (x – 3)
13
Two numbers are in the ratio 5 : 3. If they differ by 18, then what are the numbers?
  • A
    45, 27
    Correct
  • B
    47, 52
  • C
    54, 72
  • D
    42, 57
14
The LCM of $3a^2$ bc, 5a$b^2$c, 7ab$c^2$ is
  • A
    35 $a^2 bc^2$
  • B
    105 abc
  • C
    15 $a^2 b^2 c^2$
  • D
    105 $a^2 b^2 c^2$
    Correct
15
The cost price of 11 pens is equal to the selling price of 10 pens. The profit percent is
  • A
    100%
  • B
    11%
  • C
    10%
    Correct
  • D
    21%