Discussion
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- Question
- (7 + 7 + 7 ÷ 7) / (5 + 5 + 5 ÷ 5) =?
Options- A. 1
- B. 1 / 5
- C. 15 / 11
- D. 3 / 11
- Correct Answer
- 15 / 11
ExplanationGiven expression = (7 + 7 + 7 ÷ 7) / (5 + 5 + 5 ÷ 5)
= (14 + 1) / (10 + 1)
=15 / 11 - 1. 9873 + x = 13200, then x is?
Options- A. 3327
- B. 3237
- C. 3337
- D. None of these Discuss
- 2. 42060/15 + 5 =?
Options- A. 2804
- B. 2809
- C. 2103
- D. 289 Discuss
- 3. The sum of the digits of a two-digit number is 14 and the difference between the two digits of the number is 2. What is the product of the two digits of the two-digit number?
Options- A. 56
- B. 48
- C. 45
- D. Couldn't be determined Discuss
- 4. The sum of the four consecutive even numbers is 284. What would be the smallest number.
Options- A. 72
- B. 74
- C. 68
- D. 66 Discuss
- 5. The product of two consecutive odd number is 6723. What is the greater number?
Options- A. 89
- B. 85
- C. 91
- D. 83 Discuss
- 6. [(272 - 32) (124 + 176)] / (17 x 15 - 15) =?
Options- A. 0
- B. 2.25
- C. 300
- D. None of these Discuss
- 7. (69 - 14 x 3 + 2) / [ 9 x 5 - (5) 2] =?
Options- A. 1.45
- B. 2.75
- C. 26.5
- D. 265 Discuss
- 8. (48 - 12 x 3 + 9) / (12 - 9 ÷ 3) =?
Options- A. 3
- B. 21
- C. 7 / 3
- D. 1 / 3 Discuss
- 9. .01 x .3 ÷ .4 x .5 =?
Options- A. .015
- B. .0375
- C. .00375
- D. .1 Discuss
- 10. .05 x 5 - .005 x 5 =?
Options- A. 2.25
- B. .225
- C. 2.025
- D. .29875 Discuss
Simplification problems
Search Results
Correct Answer: 3327
Explanation:
x = 13200 - 9873 = 3327
Correct Answer: 2809
Explanation:
Given expression = 42060 / 15 + 5
= 2804 +5
=2809.
Correct Answer: 48
Explanation:
Let be the ten's digit be P and unit's digit be Q.
The two-digit number = 10P + Q
(where, P > Q)
According to the question,
P + Q = 14 ......(i)
and P - Q = 2 .......(ii)
solving Eqs. (i) and (ii), we get
P = 8 and Q = 6
? Required product = 8 x 6 = 48
Correct Answer: 68
Explanation:
Let four consecutive even numbers are P, P + 2, P + 4 and P + 6
According to the question,
P + P + 2 + P + 4 + P + 6 = 284
? 4P + 12 = 284
? 4P = 284 - 12 = 272
? P = 272/4 = 68
Correct Answer: 83
Explanation:
Let two consecutive odd number be (A + 1) and (A + 3).
According to the question.
(A + 1) (A + 3) = 6723
? A2 + 3A + A + 3 = 6723
? A2 + 4A + 3 - 6723 = 0
? A2 + 4A - 6720 = 0
? A2 + 84A - 80A - 6720 = 0
? A(A + 84) - 80 (A + 84) = 0
? (A - 80) (A + 84) = 0
? A = 80, (A = ? - 84)
Hence, the greater number = 80 + 3 = 83
Correct Answer: 300
Explanation:
Given expression = [(272 - 32) (124 + 176)] / (17 x 15 - 15)
= (240 x 300 ) / 240
= 300
Correct Answer: 1.45
Explanation:
Given expression = (69 - 14 x 3 + 2) / [ 9 x 5 - (5)2]
= (69 - 42 + 2) / (45 - 25)
= 29 / 20
= 1.45
Correct Answer: 7 / 3
Explanation:
Given expression = (48 - 12 x 3 + 9) / (12 - 9 ÷ 3)
= (48 - 36 + 9) / (12 - 3)
= 21 / 9
= 7 / 3
Correct Answer: .00375
Explanation:
Given expression = .01 x .3 ÷ .4 x .5
= .0015 ÷ .4
= .00375
Correct Answer: .225
Explanation:
Given expression = .25 - .025
= .250 - .025
= 0.225
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