Directions(1-5): Find the missing term ‘?’ of the following questions.
- 418, 208, 102, 48, ?, 5
1030402050Option D
*2+2
*2+4
*2+6
*2+8
*2+10
? = 20 - 180, 191, 193, 203, 206, ?
250215241200232Option
+11
+2
+10
+3
+9
? = 215 - 3, 4, 9, 28, ?, 566
113100120111119Option A
*1+1
*2+1
*3+1
*4+1
*5+1
? = 113 - 153, 155, 160, 170, 187, ?
200213192220225Option B
Difference of difference
? = 213 - 3, 1.5, 1.5, 3, 12, 96, ?
14401123153616261330Option C
*0.5
*1
*2
*4
*8
*16
? = 1536 - Two vessels A and B contains milk and water mixed in the ratio 8:5 and 5:2 respectively. Find the ratio in which these two mixture be mixed to get a new mixture containing 69(3/13) % milk.
2:78:95:64:51:3Option A
Ratio = 2/91:1/13 = 2:7 - A shopkeeper buys 144 items at 1.8 Rs each. But later he realized that 13(8/9)% of the total items are defected and could not be sold. He sells the remaining at Rs. 2.4 each. What is his overall gain percentage?
12(20/23)%13(15/18)%9(19/23)%10(11/21)%14(22/27)%Option E
Total CP = 1.8 × 144 = Rs. 259.2
Total SP = ( 100– 125/900)*144*2.4 = Rs.297.6
Gain percentage = ( 297.6– 259.2)/259.6*100 = 14(22/27)% - How many kilograms of sugar costing Rs. 9 per kg must be mixed with 27kg of sugar costing Rs.7 per kg so that there may be gain of 10% by selling the mixture at Rs.9.24 per kg?
55 kg42 kg63 kg59 kg60 kgOption C
Mean price = 10/ 110 ×9.24 = 10×0.84 = 8.4
9 ===== 7
==8.4
1.4====0.6
Ratio = 7:3
Required Quantity = 27/3*7 = 63 kg - The CP of two dozen mangoes is Rs 32 , after selling 18 mangoes at 12 Rs per dozen ,the shopkeeper reduced the rate as Rs 4 per dozen. Then find the loss percentage ?
33.3%37.5%41.6%31.2%29.3%Option B
Total CP = 32
Total SP = 12 + 6 + 2 = 20
Loss percentage = 12/32 ×100 = 37.5% - A man takes 3 hours 45 minutes to row a boat 15 km downstream of a river and 2 hours 30 minutes to cover a distance of 5 km upstream. Find the speed of the current.
5 kmph1 kmph2 kmph4 kmph3 kmphOption B
Let downstream speed = x
Upstream speed = y 15/ 𝑥 = 3(45/60)
=>15/𝑥 = 15 4
=>𝑥 = 4
5/ 𝑦 = 2(30/60)
=>5/ 𝑦 = 5/ 2
=> 𝑦 = 2
Speed of current = 1 kmph
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