# Mixed Quantitative Aptitude Questions Set 86

1. (45.004% of 1439.97 – 15.99% of 2249.97) ÷ 35.98 = ?
10
14
5
8
13
Option D
? = (45% × 1440 − 16% × 2250)/36
= 288/36 = 8

2. 874.96 + 94.0091 × 34.98 – 1244.98 = ?
2920
2233
2112
2122
2080
Option A
? = 875 + 94 × 35 – 1245 = 2920

3. 8,23,199.98 × 99.92 = ? × 80,000
1030
1230
1123
1890
1150
Option A
? = 823200×100/80000 = 1030

4. (242699 + 167109) ÷ (9946 – 9446) = ?
550
650
760
900
820
Option E
? = 409810/500
= 819.62 == 820

5. √675.9995 + (3.9989)^2 =? ÷ 1/6.9900865
7
6
3
2
8
Option B
√676 + 4^2 = ?÷ 1/7
=> 26 + 16 = ?×7
? = 42/7
? = 6

6. Directions(6-10):
Study the information carefully to answer the questions that follow :
A school consisting of 1560 students has boys and girls in the ratio of 7 : 5 respectively . All the students are enrolled for different county vis Russia , Switzerland and Japan . One fifth of the boys are enrolled for only Switzerland tour . Twenty percent of the girls are enrolled for only Japan tour . Ten percent of the boys are enrolled for only Russia tour . Twenty four percent of the girls are enrolled for both Russia and Switzerland tour together . The number of girls enrolled for only Russia tour is two hundred percent of the boys enrolled in the same . One –thirteenth of the boys are enrolled for all the three tours together . The respective ratio of boys enrolled for Switzerland and Japan tour together to the girls enrolled for the same is 2 : 1 respectively . Ten percent of the girls are enrolled for only Switzerland tour where as eight percent of the girls are enrolled for both Switzerland and Japan tour together. The remaining girls are enrolled for all the three tours together . The number of boys enrolled for Russia and Switzerland tour together is fifty percent for the same . The remaining boys are enrolled for only Japan tour.

7. What is the total number of students enrolled for all the three tours and number of girls enrolled for Switzerland and Russia tour together and number of boys enrolled for Switzerland and Japan tour together ?
424
342
330
395
450
Option D
Total number of boys = 1560 x (7/12) = 910
Number of girls = 1560 – 910 = 650 Required number of students = (70 + 65) + 156 + 104
= 395

8. Number of girls enrolled for only Switzerland , Russia and Japan tour together is what percent of the boys together enrolled for the same (rounded off to two digits after decimal ) .
57.29%
60.25%
47.22%
50.25%
42.13%
Option A
Number of girls for only Switzerland , Russia and Japan tour =130 + 182 + 65 = 377
Number of boys for only Switzerland , Russia and Japan tour = 385 + 91 + 182 = 658
Required per cent = (377 *100)/658 = 57.29%

9. Total number of girls enrolled for Russia is approximately what percent of students for the school ?
18
21
17
26
14
Option D
Number of girls enrolled for Russia = 156 + 182 + 65
= 403
Required per cent = (403*100)/1560 = 26

10. What is the respective ratio of the number of girls enrolled for only Japan tour and number of boys enrolled for Switzerland tour together to the number of boys enrolled for the Japan tour and number of girls enrolled for Switzerland tour together ?
53 : 67
55 : 71
52 : 75
40 : 63
42 : 51
Option C
Required ratio = (130 + 182) : (385 + 65)
= 52 : 75

11. What is the sum of the total number of boys who enrolled for Switzerland and the total number of girls who enrolled for same tour together ?
787
770
679
772
707
Option D
Total number of boys enrolled for Switzerland tour
= 182 + 70 + 104 + 78 = 434
Number of girls = 65 + 156 + 52 + 65 = 338
Required answer = 434 + 338 = 772