Direction (Q. 1-5) : What approximate value should come in plce of question mark (?) in the following equations ?
728.038 x 54.978 - 72.016 x 85.250 = ?
? = 728 x 55 - 72 x 85.25
= 40040 - 6138 = 339900
(112% of 2348) ÷ 4.98 = ?
? = (112x2348/100) ÷ 5
= 2630/5 = 526 = 525
3√357910 = ?
∴ (71)3 = 357911
(128 ÷ 6.969) - 13% of 1284 = ?
1288/7 - 13x1284/100 = 184 - 167 = 17
0.0006688/0.0000150 x 19.85 = ?
? = 6688/150 x 19.85 = 45 x 20 = 900
Direction (Q. 6-10) : What value should come in place of question mark (?) in the following equations ?
64% of 1775 + 36% of 550 = ? % of 6670
64x1775/100 + 36x550/100 = ?x6670/100
∴ ? = 1136 + 198/6670 x 100 = 20%
9/5 of 11/122 of 8% of 33550 = ?
? = 9x11x8x33550/5x122x100 = 435.6
676/? = ?/11664
(?)2 = 676 x 11664
∴ ? = √7884864 = 2808
(18.6 x 17.2 ÷ 0.6) x 27.5 = ?
(319.92 ÷ 0.6) x 27.5 = 533.2 x 27.5 = 14663
(18)7 x (5832)-2 ÷ (324)-1 = (18)7
(18)7 x (183)-2 ÷ (182)-1
(18)7 x (18)-6 ÷ (18)-2
(18)7-6+2 = (18)3
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