Maths Chapter 1: Integers - Set 2 (Class 7)

Question 1

$│1221 –1 – 1221│ - │1 – 101 +100│$equals.

Accepted Answer

0

Answer

2

Answer

–2

Answer

–4

Question 2

If n = 1 + x, when xis the product of four consecutive positive integers, then which of the following are true. $(A)$ → n is odd $(B)$ → n is prime $(C)$ → n is a perfect square

Accepted Answer

A and C only

Answer

A and B only

Answer

A only

Answer

None of these

Question 3

Find the product of –3 and 5?

Accepted Answer

–15

Answer

15

Answer

8

Answer

–8

Question 4

Find the least five-digit number which is divisible by 666.

Accepted Answer

10656

Answer

10565

Answer

10556

Answer

10665

Question 5

$ –1 × –1 × –1 × –1$

Accepted Answer

1

Answer

–1

Answer

–4

Answer

4

Question 6

Find the product of $(–5) × 6 × (–7) × (–20)$

Accepted Answer

–4200

Answer

4200

Answer

4100

Answer

–4100

Question 7

If a and b are such numbers that a > 0 and b < 0, then which one of the following is always correct?

Accepted Answer

$a – b > 0$

Answer

$a + b < 0$

Answer

$a + b > 0$

Answer

$a – b < 0$

Question 8

Which of the following is true about 29540, 53416, & 21543

Accepted Answer

none is divisible by 12

Answer

all are divisible by 12

Answer

two are divisible by 12

Answer

one is divisible by 12

Question 9

The least perfect square number which is divisible by 3, 4, 5, 6 and 8 is

Accepted Answer

3600

Answer

900

Answer

1600

Answer

2500

Question 10

If P is a number between 0 and 1, which one of the following is true?

Accepted Answer

$P<\frac{1}{P}$

Answer

$P<\sqrt{P}$

Answer

$\frac{1}{P}<\sqrt{P}$

Answer

$p^3>P^2$

CHAPTER-1 INTEGERS (SET-2)

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