A person have some one rupee, 50 paise and 25 paise coins totalling Rs 210 in the ratio 5 : 6 : 8, then number of one rupee coin is

• 41

• 42

• 103

• 105

$\mathrm{If} {64}^{12} ÷ 4^{15} = {64}^{?}, 64, \mathrm{then} \mathrm{what} \mathrm{will} \mathrm{come} \mathrm{in} \mathrm{place} \mathrm{of} \mathrm{question} \mathrm{mark} (?) ?$

• 3

• 5

• 7

• 9

Which of the following is not a 'proposition ?

• Sum of 2 and 5 is 7

• An angle consists' of two rays and one vertex

• Is 7 the sum of 2 and 5 ?

• Sum of 2 and 5 is 6

64.

Which of the following is a perfect number ?

• 28

• 36

• 10

• All of these

If the sum of five successive integers are S, then the value of largest integer in terms of S will be

• $\frac{\mathrm{S} - 10}{5}$

• $\frac{\mathrm{S} + 5}{4}$

• $\frac{\mathrm{S} + 5}{5}$

• $\frac{\mathrm{S} + 10}{5}$

The product of integers between - 7 and - 3 is

• 120

• - 360

• - 120

• 840

Read the following question from class VI textbook. "Write a pair of integers whose sum gives a negative integer."

The above question refers to

• Reflective question

• Closed ended question

• Multi-disciplinary question

• Open ended question

One of the factors of

$4{\mathrm{x}}^2 + {\mathrm{y}}^2 + 14\mathrm{x} - 7\mathrm{y} - 4\mathrm{xy} + 12 = ?$

• 2x + y + 4

• 2x - y - 3

• 2x + y - 4

• 2x - y + 3

The difference between the greatest and smallest fraction amongst, $\frac{6}{7}, \frac{8}{9}, \frac{9}{10}, \frac{7}{8} \mathrm{is}$

• $\frac{1}{72}$

• $\frac{2}{63}$

• $\frac{3}{70}$

• $\frac{1}{56}$

The additive inverse of S, where

S = 1 - 2 + 3 - 4 + 5 - 6 + 7 - 8 + ... + 49 - 50, is

• - 25

• 1

• 0

• 25