Maths quiz

A clock strikes once at 1 o’clock, twice at 2 o’clock, thrice at 3 o’clock and so on. How many times will it strike in 24 hours?

• 78

• 136

• 156

• 196

106 × 106 – 94 × 94 = ?

• 2004

• 2400

• 1904

• 1906

I am a number. I have 7 in the ones place. I am less than 80 but greater than 70. What is my number?

• 71

• 73

• 75

• 77

In a century how many months are there?

• 12

• 120

• 1200

• 12000

What is three fifth of 100?

• 3

• 5

• 20

• 60

Which least number should be added to 2600 to make it a perfect square?

• 3

• 39

• 1

• 5

Which of the following numbers gives 240 when added to its own square?

• 15

• 16

• 18

• 20

If 6 is 50% of a number, what is the number?

• 10

• 11

• 12

• 13

How many factors are there in 71?

• 1

• 2

• 3

• None of these

What is the sum of one digit prime numbers?

• 11

• 13

• 15

• 17