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- Question
- 39.8% of 400 +?% of 350 = 230
Options- A. 15
- B. 25
- C. 18
- D. 20
- Correct Answer
- 20
Explanation39.8% of 400 + ?% of 350 = 230
? 159.2 + (350 x ?)/100 = 230
&Arr; ? = (230 - 159.2) x 100/360 = 20.23 = 20 - 1. 0.0005 x 76 x 10 3 +? = 170% of 29.98?
Options- A. 12
- B. 16
- C. 18
- D. 15 Discuss
- 2. (15.96) 2 + 75% of 285 =?
Options- A. 435
- B. 485
- C. 440
- D. 470 Discuss
- 3. 85% of 225 + 32.91 x 5.01 =?
Options- A. 375
- B. 340
- C. 355
- D. 345 Discuss
- 4. 31% of 1508 + 26% of 2018 =?
Options- A. 1500
- B. 2000
- C. 1000
- D. 1200 Discuss
- 5. 22.5% of 1350 + 135% of 225 =?
Options- A. 570
- B. 610
- C. 670
- D. 630 Discuss
- 6. If 20 articles cost ? 90, then the cost of 9 articles is?
Options- A. ? 45
- B. ? 40.50
- C. ? 4.50
- D. None of these Discuss
- 7. If cost of 24 oranges is ? 72, then find out the cost of 120 oranges.
Options- A. ? 180
- B. ? 360
- C. ? 172
- D. ? 500 Discuss
- 8. If cost of 12 pens is ? 84, then what is the cost of 10 such pens?
Options- A. ? 90
- B. ? 72
- C. ? 65
- D. ? 70 Discuss
- 9. If cost of 15 eggs is ? 75, then find out the cost of 4 dozens eggs.
Options- A. ? 240
- B. ? 300
- C. ? 150
- D. ? 185 Discuss
- 10. If 16 dozens bananas cost ? 360, then how many bananas can be bought in ? 60?
Options- A. 16 bananas
- B. 48 bananas
- C. 32 bananas
- D. 50 bananas Discuss
Approximation problems
Search Results
Correct Answer: 12
Explanation:
0.0005 x 76 x 103 + ? = 170% of 29.98
? 0.038 x 1000 + ? = (30 x 170)/100
? ? = 51- 38 = 13 ? 12
Correct Answer: 470
Explanation:
? = (15.96)2 + 75 % of 285
? (16)2 + 214 = 256 + 214 = 470
Correct Answer: 355
Explanation:
? = 85% of 225 + 32.91 x 5.01
? 85% of 225 + 33 x 5
= (225 x 85)/100 + 165
= 191.25 + 165 = 356.25 = 355
Correct Answer: 1000
Explanation:
? = 31% of 1508 + 26% of 2018
= 1508 x 31 + 20.18 x 26
= 467.48 + 524.68
? 992.16 = 1000
Correct Answer: 610
Explanation:
? = 22.5% of 1350 + 135 % of 225
= (1350 x 225)/100 + (225 x 135)/100
= 303.75 + 303.75 = 607.5 ? 610
Correct Answer: ? 40.50
Explanation:
Cost of 20 articles = ? 90
Cost of 1 article = ? 90/20
? Cost of 9 article = 9 x 90/20 = ? 40.50
Correct Answer: ? 360
Explanation:
Let the required cost be ? N.
More orange, more cost (Direct proportion)
24 : 120 : : 72 : N
? N = (120 x 72)/24 = ? 360
Correct Answer: ? 70
Explanation:
? Cost of 12 pens = ? 84
Cost of 1 pen = ? 84/12
? Cost of 10 pens = (84/12) x 10
= 7 x 10 = ? 70
Correct Answer: ? 240
Explanation:
? Cost of 15 eggs = ? 75
? Cost of 1 egg = ? 75/15
? Cost of 4 dozens (4 x 12) = Cost of 48 eggs
= (75/15) x 48 = ? 240
Correct Answer: 32 bananas
Explanation:
Let the required number of bananas be N.
16 dozens bananas = 16 x 12 = 192 bananas
Less bananas, Less cost (Direct proportion)
360 : 60 : : 192 : N
? N = (60 x 192)/360 = 32 bananas
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