SCIENCE DAY - MATHS QUIZ

H.C.F. and L.C.M. of two numbers are 8 and 48 respectively. If one of the numbers is 24 then the other number is

• 16

• 32

• 48

• 56

Given set : (49, 25, 9)

• (36, 25, 16)

• (36, 16, 4)

• (39, 26, 13)

• (64, 27, 8)

A bus covers a distance of 2924 km in 43 hours. What is the speed of the bus?

• 68 km/hr

• 70 km/hr

• 72 km/hr

• 74 km/hr

• irrational number

• natural number

• integer

• rational number

If in a certain language KINDLE is coded as ELDNIK, how is EXOTIC coded in that code?

• CITOXE

• EOXITC

• COXITE

• CXOTIE

In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and fill in the blank spaces.9, 11, 20, 31, (....), 82

• 31

• 41

• 51

• 61

Choose the one which is different from the rest three.

• 99

• 109

• 126

• 207

- 76 × 33 + 221 = ?

• 2287

• -2287

• -19304

• 19304

A can do a piece of work in 10 days, and B can do the same work in 20 days. With the help of C, they finished the work in 4 days. C can do the work in how many days, working alone?

• 5 days

• 10 days

• 15 days

• 20 days

Find the missing term of the given expression: 18.834 + 818.34 -? = 618.43

• 217.644

• 218.744

• 217.744

• 217.844