Quantitative Aptitude: Simplification Questions Set 86

1. Simplify: 6363 x 9999
4545900
63623637
66623637
63623666
63623688
Option B
63630000 – 6363 = 63623637

2. 3034 – (1002/20.04)
2984
3490
3345
2345
1234
Option A
3034/( 1002/20.04) = 3034 /( 1002/2004) x 100 = 3034- 50 = 2984

3. If 5^n =46625 then 5^ n-2 =?
1865
1123
1456
4356
2378
Option A
5 ^n-2 = 5 ^n/ 5 ^2 = 46625/25 =1865

4. If (64 ^2) – (36^ 2) = 20 x X .Find the value of X?
140
456
120
320
140
Option E
20 x X = (64 2) – (36 2)
= ( 64 + 36) (64 -36) = 100 x 28 =2800
X= 2800/20 =140

5. 57% of 501 -131.17 =? – 25%of 599
366
266
566
466
166
Option C
57% of 501 -131.17 =? – 25%of 599
57*500/100 -131 =? – 25 * 600/100
285-131=? -150
?=566

6. √840.89 × 2.56 + 119.9% of 449.7 – 179.80% of 779.9 + 59.9% of 1800 = ?
101
202
303
404
505
Option C
√841*3+120% of 450-180% of 780+60% of 1800=?
29*3 +120/100 * 450 – 180/100 * 780 + 60/100 * 1800 =?
87+540-1404+1080=?
303=?

7. 24.67% of 779.56 + √3248.55× 11.98 + 864.76=?
1744
1675
1677
1355
1789
Option A
25% of 780 + √3249 * 12 + 865=?
195 + 684 + 865=?
1744=?

8. 3(3/4) + 4(2/5) – 3(1/8) + 6(2/5) = ?
15(57/40)
10(57/50)
10(54/40)
11(57/40)
10(57/40)
Option E
3(3/4) + 4(2/5) – 3(1/8) + 6(2/5) = ?
(3+4-3+6) (3/4+2/5-1/8+2/5)=?
10(57/40) = ?

9. 15.008% of 600.123 + 22.22 % of 650.005 + 147.112 = ?
170
560
380
234
420
Option C
(15/100) * 600 + (22/100) * 650 + 147 = ?
90 + 143 + 147 = ?
380 = ?

10. 23.34 × 15.09 – 60.12 + (? ÷ 31.08) = 292.113
431
217
230
456
112
Option B
285 + (? ÷ 31) = 292
? = 217