BANK & INSURANCE (SIMPLIFICATION PERCENTAGE) Part 2

Total Questions: 40

21. 19² + 12.5% of 2480 − 28² = ?

Correct Answer: (a) −113
Solution:

19² = 361

12.5% of 2480 = (1/8) × 2480 = 310

28² = 784

Required value = 361 + 310 − 784 = 671 − 784 = −113

22. 180% of 280 + ?% of 488 = 958 − 271

Correct Answer: (b) 37.5%
Solution:

180% of 280 = 1.8 × 280 = 504

958 − 271 = 687

?% of 488 = 687 − 504 = 183

? = (183 ÷ 488) × 100 = 37.5%

23. 28% of 3800 + 22.22% of 207 + 476 = ?

Correct Answer: (d) 1586
Solution:

28% of 3800 = 0.28 × 3800 = 1064

22.22% of 207 = (2/9) × 207 = 46

Required value = 1064 + 46 + 476 = 1586

24. 33.33% of 3420 + 6.66% of 1050 + 8.33% of 720 = ?

Correct Answer: (b) 1270
Solution:

33.33% of 3420 = (1/3) × 3420 = 1140

6.66% of 1050 = (1/15) × 1050 = 70

8.33% of 720 = (1/12) × 720 = 60

Required value = 1140 + 70 + 60 = 1270

25. 65% of 1820 + 35% of 2680 = ?

Correct Answer: (a) 2121
Solution:

65% of 1820 = 0.65 × 1820 = 1183

35% of 2680 = 0.35 × 2680 = 938

Required value = 1183 + 938 = 2121

26. 35% of 780 + 21% of 700 = ? + 394

Correct Answer: (d) 26
Solution:

35% of 780 = 273

21% of 700 = 147

LHS = 273 + 147 = 420

420 = ? + 394

? = 420 − 394 = 26

27. 37.5% of 2400 + 37² − 9³ = ?

Correct Answer: (b) 1540
Solution:

Solution:
37.5% of 2400 + 37² − 9³ = ?
=> 0.375 × 2400 + 1369 - 729 = ?
=> 900 + 1369 - 729 = ?
=> 900 + 640 = ?
=> ? = 1540

28. 6.25% of 4808 + √1444 − 897 + 32² = ?

Correct Answer: (b) 465.5
Solution:

6.25% = 1/16

6.25% of 4808 = 4808 ÷ 16 = 300.5

√1444 = 38

32² = 1024

Required value = 300.5 + 38 − 897 + 1024 = 465.5

29. ? + 6³ = 45% of 1900 + 29² − 127

Correct Answer: (b) 1353
Solution:

 6³ = 216

45% of 1900 = 855

29² = 841

RHS = 855 + 841 − 127 = 1569

? + 216 = 1569

? = 1569 − 216 = 1353

30. (33 × 27) − 12.5% of 480 + 133.33% of 96 + x² = 1008

Correct Answer: (a) 7
Solution:

33 × 27 = 891

12.5% of 480 = 60

133.33% of 96 = (4/3) × 96 = 128

So, 891 − 60 + 128 + x² = 1008

959 + x² = 1008

x² = 49 ⇒ x = 7