CTET MATHEMATICS QUIZ 88

Question 1:

Which of the following numbers is not divisible by 11 ?

222222

333333

10111013

10011013

Question 2:

From a cube of side 8 cm, small cubes each of side 4 cm are cut. What is the difference between the total surface area of all the small cubes and that of the original cube?

No difference

384 cm$^2$

382 cm$^2$

372 cm$^2$

Question 3:

Soni and Gita together can complete work in 8 h and Soni alone can complete the work in 12 h. In how many hours can Gita alone complete the work?

48

12

24

14

Question 4:

What is the height (in $\mathrm{cm}$ ) of an equilateral triangle whose each side is 16 $\mathrm{cm}$ ?

$8 \sqrt{3}$

$6 \sqrt{2}$

$8 \sqrt{2}$

$6 \sqrt{5}$

Question 5:

The ratio of the speed of two trains is 3 : 8. If the first train travels 300 km in 5 hours, then what is the sum of the speeds (in km/h) of both the trains?

220

440

550

320

Question 6:

Six bells begin to toll together and toll, respectively, at intervals of 4, 8, 6, 7, 10 and 12 seconds. After how many seconds, will they toll together again?

840

910

720

760

Question 7:

What is the average of all the prime numbers between 70 and 100 ?

79

85

87

82

Question 8:

Find the total surface area of a sphere whose radius is $63 \mathrm{~cm}$.

$49836 \mathrm{~m}^2$

$40895 \mathrm{~m}^2$

$59796 \mathrm{~m}^2$

$49896 \mathrm{~m}^2$

Question 9:

Find the highest common factor of 306, 204 and 136.

36

46

34

48

Question 10:

When a number is divided by 156 it gives remainder 29 . If the same number is divided by 13 find the remainder.

3

1

2

5