IBT PRACTICE 1

Which number is 100 less than 2023?

• 3023

• 1023

• 1923

• 2123

Answer explanation

To find the number that is 100 less than 2023, subtract 100 from 2023. This gives 2023 - 100 = 1923. Therefore, the correct answer is 1923.

10, 25, 40, ____, 70, 85

• 45

• 50

• 30

• 55

Answer explanation

The sequence increases by 15, 15, and then 15 again. After 40, adding 15 gives 55, which fits the pattern. Thus, the correct answer is 55.

Rohit packs 30 boxes in one hour. How many boxes can he pack in 40 minutes?

• 10

• 15

• 20

• 25

Answer explanation

Rohit packs 30 boxes in 60 minutes, which is 0.5 boxes per minute. In 40 minutes, he can pack 0.5 * 40 = 20 boxes. Thus, the correct answer is 20.

There are 440 pens in one packet. How many pens are there in 22 packets?

• 20

• 462

• 1100

• 9680

Answer explanation

To find the total number of pens in 22 packets, multiply the number of pens in one packet (440) by the number of packets (22). So, 440 x 22 = 9680. Therefore, the correct answer is 9680.

What are the prime factors of 56?

• 8,7

• 2,7

• 2,3

• 2,8,7

Answer explanation

To find the prime factors of 56, we can divide it by 2 repeatedly: 56 ÷ 2 = 28, 28 ÷ 2 = 14, 14 ÷ 2 = 7. The prime factors are 2 and 7, making the correct answer 2,7.