Numbers MCQ Set 13

Showing question 61 to 65 of total 88 MCQs

Solve the question on your notebook and check it by clicking (Answer and Explanation) below question.

Question No: 61

Simplify 586645 × 9999

1. 5865863355
2. 5665863355
3. 4865863355
4. 4665863355

Question No: 62

1939392 × 625

1. 1212120010
2. 1212120000
3. 1212120011
4. 1212121010

Answer: B

Explanation

Trick: when multiplying with

5ⁿ

then put n zeros to the right of multiplicand and divide the number with

2ⁿ

So using this we can solve this question in much less time.

Question No: 63

Simplify (212 × 212 + 312 × 312 )

1. 132288
2. 142088
3. 142188
4. 142288

Answer: D

Explanation

Trick: Above equation can be solved by using following formula

Question No: 64

Find the unit digit in

(544)¹⁰²+(544)¹⁰³

1. 2
2. 4
3. 0
4. 1

Question No: 65

What least value should be replaced by × in 223×431 so the number become divisible by 9

1. 3
2. 4
3. 5
4. 6