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Math MCQ Questions with answers

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Learn Math MCQs [Page 1 of Department 26]

1) In a dairy farm, 40 cows eat 40 bags of husk in 40 days. In how many days one cow will eat one bag of husk?

(A) 15
(B) 40
(C) 38
(D) 32
Correct Answer - Option (B)

Explanation:
40 cows eat 40 bags of husk in 40 days. ∴ 1 cows eat 40 bags of husk in 40 x 40 days. ∴ 1 cows eat 1 bags of husk in 40 x 40 / 40 days. ∴ 1 cows eat 1 bags of husk in 40 days.

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2) 21 goats eat as much as 15 cows. How many goats eat as much as 35 cows?

(A) 38
(B) 49
(C) 37
(D) 41
Correct Answer - Option (B)

Explanation:
15 Cows eat as much as 21 Goats. ∴ 1 Cows eat as much as 21/ 15 Goats. ∴ 35 Cows eat as much as 21 x 35 / 15 Goats. ∴ 35 Cows eat as much as 21 x 7 / 3 Goats. ∴ 35 Cows eat as much as 7 x 7 Goats. ∴ 35 Cows eat as much as 49 Goats.

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3) 39 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work?

(A) 10
(B) 13
(C) 18
(D) 136
Correct Answer - Option (B)

Explanation:
Since 39 persons can repair a road by working 5 hours in a day in 12 days. ∴ 1 persons can repair a road by working 5 hours in a day in 39 x 12 days. ∴ 1 persons can repair a road by working 1 hours in a day in 39 x 12 x 5 days. ∴ 30 persons can repair a road by working 1 hours in a day in 39 x 12 x 5 / 30 days. ∴ 30 persons can repair a road by working 6 hours in a day in 39 x 12 x 5 / 30 x 6 days. ∴ 30 persons can repair a road by working 6 hours in a day in 39 x 2 x 1 / 6 days. ∴ 30 persons can repair a road by working 6 hours in a day in 39 x 1 x 1 / 3 days. ∴ 30 persons can repair a road by working 6 hours in a day in 13 days.

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4) 4 mat-weavers can weave 4 mats in 4 days. At the same rate, how many mats would be woven by 8 mat-weavers in 8 days?

(A) 16
(B) 12
(C) 18
(D) 14
Correct Answer - Option (A)

Explanation:
4 mat-weavers in 4 days can weave 4 mats. 1 mat-weavers in 4 days can weave 4 / 4 mats. 1 mat-weavers in 1 days can weave 4 / 4 x 4 mats. 8 mat-weavers in 1 days can weave 4 x 8 / 4 x 4 mats. 8 mat-weavers in 8 days can weave 4 x 8 x 8 / 4 x 4 mats. 8 mat-weavers in 8 days can weave 4 x 2 x 2 mats. 8 mat-weavers in 8 days can weave 16 mats.

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5) If a quarter Kg of potato costs 60 paise, How many paise will 200 gm cost?

(A) 48
(B) 45
(C) 59
(D) 72
Correct Answer - Option (A)

Explanation:
As we know that Quarter Kg = 250 Gram According to question, 250 Gram of potato costs 60 paise. ∴ 1 Gram of potato costs 60 / 250 paise. ∴ 200 Gram of potato costs 60 x 200 / 250 paise. ∴ 200 Gram of potato costs 60 x 20 / 25 paise. ∴ 200 Gram of potato costs 60 x 4 / 5 paise. ∴ 200 Gram of potato costs 12 x 4 paise. ∴ 200 Gram of potato costs 48 paise.

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6) An industrial loom weaves 0.128 meters of cloth every second. Approximately, how many seconds will it take for the loom to weave 25 meter of cloth?

(A) 184
(B) 195
(C) 190
(D) 197
Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

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7) If 8 men can reap 80 hectares in 24 days, then how many hectares can 36 men reap in 30 days?

(A) 350
(B) 460
(C) 425
(D) 450
Correct Answer - Option (D)

Explanation:
Since 8 men in 24 days can reap 80 hectares. ∴ 1 men in 24 days can reap 80 / 8 hectares. ∴ 1 men in 1 days can reap 80 / 8 x 24 hectares. ∴ 36 men in 1 days can reap 80 x 36 / 8 x 24 hectares. ∴ 36 men in 30 days can reap 80 x 36 x 30 / 8 x 24 hectares. ∴ 36 men in 30 days can reap 10 x 36 x 30 / 24 hectares. ∴ 36 men in 30 days can reap 10 x 3 x 30 / 2 hectares. ∴ 36 men in 30 days can reap 10 x 3 x 15 hectares. ∴ 36 men in 30 days can reap 450 hectares.

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8) If the cost of x meters of wire is d rupees, then what is the cost of y meters of wire at the same rate? 

(A) xy/d
(B) xd
(C) yd
(D) yd/x
Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

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9) If the price of 23 toys is Rs. 276, then what will the price (Rs.) of 12 toys?

(A) 144
(B) 158
(C) 159
(D) 166
Correct Answer - Option (A)

No Explanation found. Add Explanation and get +2 points.

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10) Abhishek purchased 140 shirts and 250 trousers @ Rs. 450 and @ Rs. 550 respectively. What should be the overall average selling price of shirts and trousers so that 40% profit is earned ? (rounded off to next integer)

(A) Rs. 700
(B) Rs. 710
(C) Rs. 720
(D) Rs. 725
Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

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