Class 8 Squares And Square Roots CBSE Questions & Answers
Class 8 · Squares And Square Roots
This is Mathematics Class 8 Squares and Square Roots CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.
Questions & Answers
1
32 is not a ________ number.
- Anone of these
- Bnegative
- CsquareCorrect
- Dcube
2
All square numbers end with __________ at unit’s place.
- A4
- B9
- C5
- D0, 1, 4, 5, 6 or 9Correct
3
If a number has 2 or 8 in the unit’s place, then it’s square ends in ______.
- A3
- B4Correct
- C1
- D2
4
\({\text{1}}{{\text{9}}^{\text{2}}}\) would have digit _____ at unit place.
- A3
- Bnone of these
- C9
- D1Correct
5
Find the perfect square numbers between 60 and 70.
- A49
- B64Correct
- Cnone of these
- D81
6
Find the smallest square number that is divisible by each of the numbers 4, 9 and 10.
- A800
- B900Correct
- CNone of these
- D360
7
Find the least number that must be added to 1300 so as to get a perfect square.
- A69Correct
- B59
- Cnone of these
- D12
8
What will be the number of zeros in the square of 30?
- A4
- B1
- C2Correct
- D3
9
How many natural numbers lie between \({\text{1}}{00^{\text{2}}}\) and\({\text{1}}0{{\text{1}}^{\text{2}}}\)?
- A500
- B200Correct
- C400
- D300
10
Find the square of 48.
- A96
- B2200
- C2304Correct
- Dnone of these
11
Without adding, find the sum. 1 + 3 + 5 + 7 + 9 + I1 + 13 + 15 + 17
- A64
- B49
- C36
- D81Correct
12
Find the square roots of 484.
- A23
- B24
- C25
- D22Correct
13
If a natural number cannot be expressed as a sum of successive odd natural numbers starting with 1, then it is not a __________.
- Anone of these
- Bperfect squareCorrect
- Csquare
- Dperfect cube
14
If a number contains 3 zeros at the end, its square have ______ zeros.
- A6Correct
- B5
- C4
- Dnone of these
15
If a number has 3 or 7 in the unit’s place, then it’s square ends in ______.
- A9Correct
- B7
- C3
- Dnone of these