Find the value of 2/7 of 105 = ? × 90
A). 1/2
B). 2/5
C). 1/3
D). 1/4
2. [50 - {20 + 60 of (26/13 + 24/12 + 21) - 2} + 8] = 625/?
3. What will come in place of '?' in the following question? 155 + 20 × 4 - 176 = ? + 21
4. The simplified value of (0.2)3 × 100 ÷ 1000 of (0.2)2 is
6. Simplify : [0.9 - {2.3 - 3.2 - (7.1 - 5.4- 3.5)}]
7. By what least number should 4320 be multiplied so as to obtain a number which is a perfect cube
8. If x is a perfect square integer such that 7 < (2x - 3) < 17, then the value of x is :
9. What will come in place of question mark (?) in the following question? 35 × 35 ÷ 70 + 16 × 50 = ?