Direction (Q. 1 - 10) : What value should come in place of question mark (?) in the following equations ?
372514 + 13677 - 93218 - 319 + 11115 = ?
No Explanation
686/? = ?/896
(?)2 = 686 x 896 = (49 x 14) x (64 x 14) = 49 x 64 x 196
∴ ? = 7 x 8 x 14 = 784
13.3768 + 284.26 + 1.8463 - 22.006 = ?
684 x ? x 8 = 98496
? = 98496/684 x 8 = 18
32% of 535 + 48% of 175 = ?
? = 32 x 535/100 + 48 x 175/100
= 171.2 + 84 = 255.2
(8)3 ÷ 2-7 x 16-1 x 128 = (2)?
(23)3 ÷ 27 x 24 x 27 = (2)9,7-4 7 = (2)19
2/11 of 3/7 of 8/13 of 12012 = ?
? = 2 x 3 x 8 x 12012/11 x 7 x 13 = 576
3√35937 ÷ 3√1331 = (?)1/2
(?)1/2 = 3√35937 ÷ 3√1331 = 33 ÷ 11 = 3
∴ ? = (3)2 = 9
24% of 850 - ?% of 320 = 2652 ÷ 17
24 x 850/100 - 320 x ?/100 = 156
or 3.2 x ? = 156 ∴ ? = 48/3.2 = 15
18576 ÷ √66564 0.5 ÷ = ?
? = 18576/258 x 0.5 = 144
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