24. In the following number series, one missing term is shown by '?'. Choose the missing term from the option below.

**6, 12, 20, 30, ?, 56, 72**

A. 40

B. 42

C. 44

D. 48

29. What should be substracted from 107.03 to get 96.4?

A. 1.63

**B. 10.63**

C. 10.53

D. 9.63

30. Which number will be in the middle if the following numbers are arranged in descending order?

**4456, 4465, 4655, 4665, 4565**

A. 4456

B. 4465

**C. 4565**

D. 4655

31. Find the product of square root of 16 and square of 4?

A. 8

**B. 64**

C. 16

D. 256

37. Which of the following are called supplementary angles?

**A. Angles totalling 180****°**

B. Angles totalling 135°

C. Angles totalling 75°

D. Angles totalling 90°

40. A may buys 144 oranges for Rs. 360 and sells them at a gain of 10%. At what rate per dozen does he sell them?

A. 25

B. 30

**C. 33**

D. 36

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