(800 ÷ 64) x (1296 ÷ 36) = ?
Question: (800 ÷ 64) x (1296 ÷ 36) = ?
[A].
420 
460 
500 
540 
[A].
[B].
[C].
[D].
Answer: Option E
Explanation:
| Given Exp. = | 800 | x | 1296 | = 450 | 
| 64 | 36 | 
[B].
[C].
[D].
Answer: Option D
Explanation:
| For an income of Re. 1 in 9% stock at 96, investment = Rs. | 96 | = Rs. | 32 | ||
| 9 | 3 | 
| For an income Re. 1 in 12% stock at 120, investment = Rs. | 120 | = Rs. 10. | ||
| 12 | 
| Ratio of investments = | 32 | : 10 = 32 : 30 = 16 : 15. | 
| 3 | 
| 646 | 
| 99 | 
[B].
| 64640 | 
| 1000 | 
[C].
| 640 | 
| 100 | 
[D].
| 640 | 
| 99 | 
Answer: Option D
Explanation:
| 6.46 = 6 + 0.46 = 6 + | 46 | = | 594 + 46 | = | 640 | . | 
| 99 | 99 | 99 | 
[B].
[C].
[D].
Answer: Option C
Explanation:
Given numbers are 1.08, 0.36 and 0.90. H.C.F. of 108, 36 and 90 is 18,
H.C.F. of given numbers = 0.18.
[B].
[C].
[D].
Answer: Option B
Explanation:
Formula: (Divisor*Quotient) + Remainder = Dividend.
Soln:
(56*Q)+29 = D ——-(1)
D%8 = R ————-(2)
From equation(2),
((56*Q)+29)%8 = R.
=> Assume Q = 1.
=> (56+29)%8 = R.
=> 85%8 = R
=> 5 = R.
[B].
| 33 | 1 | % | 
| 3 | 
[C].
[D].
Answer: Option D
Explanation:
Suppose, number of articles bought = L.C.M. of 6 and 5 = 30.
| C.P. of 30 articles = Rs. | 5 | x 30 | = Rs. 25. | ||
| 6 | 
| S.P. of 30 articles = Rs. | 6 | x 30 | = Rs. 36. | ||
| 5 | 
| Gain % = | 11 | x 100 | % = 44%. | |
| 25 | 
[B].
[C].
[D].
Answer: Option C
Explanation:
| Other number = | 11 x 7700 | = 308. | ||
| 275 |