Simplification For Competitive Exam

Test Preparation on Simplification For Competitive Exam

60 + 5 * 12 / (180/3) = ?

160
2120
313
461
5None of these

60 + 5 * 12 / (180/3) = 60 + 5 * 12 / (60) = 60 + (5 * 12)/60 = 60 + 1 = 61.

9000 + 16 2/3 % of ? = 10500

11500
21750
39000
47500
5None of these

9000 + 16 2/3 % of ? = 10500 => 9000 + 50/3 % of ? = 10500
50/(3 * 100) of ? = 1500 => ? = 1500 * 6
? = 9000

6 2/3 * 9 3/5 * 2 1/3 + 1 1/3 = ?

1150 1/3
2150 2/3
3149 2/3
4149 1/3
5None of these

6 2/3 * 9 3/5 * 2 1/3 + 1 1/3 = 20/3 * 48/5 * 7/3 + 4/3 = 448/3 + 4/3 = 452/3 = 150 2/3

[(7 * 9) + (2 * 12) + 3]/[(12 * 3) + (81/9)] = ?

14
260
31.75
44.5
5None of these

[(7 * 9) + (2 * 12) + 3]/[(12 * 3) + (81/9)] = (63 + 24 + 3)/(36 + 9) = 90/45 = 2

0.003 * ? * 0.0003 = 0.00000027

19
23
30.3
40.03
5None of these

0.003 * ? * 0.0003 = 0.00000027
3/1000 * ? * 3/10000 = 3/1000 * 3/1000 * 3/100
? = 3/10 = 0.3

[(3.572)3 + (2.428)3] / [(3.572)2 - (3.572) * (2.428) + (2.428)2] is equal to -.

11.144
24
35
46
5None of these

[(3.572)3 + (2.428)3] / [(3.572)2 - (3.572) * (2.428) + (2.428)2] = {(3.572)2 - (3.572) * (2.428) + (2.428)2}{3.752 + 2.428} / [(3.572)2 - (3.572) * (2.428) + (2.428)2] = 3.752 + 2.428 = 6

1860 + 4/7 of 21.21 - 41.4 = ?

11830.72
21829.28
31831.72
41831.28
5None of these

1860 + 4/7 of 21.21 - 41.4 = 1860 + 4(3.03) - 41.4 = 1860 + 12.12 - 41.4 = 1872.12 - 41.4 = 1830.72

7 + 5 - (3/2 * 1/4) of 2/7 + 7/2 * 1/6 equals -.

112 3/88
224 7/8
312 1/9
412 1 /224
5None of these

7 + 5 - (3/2 * 1/4) of 2/7 + 7/2 * 1/16
= 7 + 5 - (3/2 * 1/4) * 2/7 + 7/2 * 1/16 = 7 + 5 - 3/28 + 7/32
= 12 + 3/28 + 7/32 = 12 + (7 * 7 - 3 * 8)/224
= 12 + 25/224 = 12 25/224