Least perfect square number, exactly divisible by 21, 36 and 56 is_________?
Least perfect square number, exactly divisible by 21, 36 and 56 is_________?
A. 3600
B. 504
C. 441
D. 7056
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The least number which when add 3 to it, completely divided 8, 12 and 18 is_______?
The least number which when add 3 to it, completely divided 8, 12 and 18 is_______?A. 71
B. 70
C. 69
D. 68
Explanation:
LCM = 72
72 – 3 = 69When the price of a toy was increased by 20 % of the number of toys sold was decreased by 15 %. What was the effect on the sales of the shop?
When the price of a toy was increased by 20 % of the number of toys sold was decreased by 15 %. What was the effect on the sales of the shop?A. 4 % increase
B. 4 % decrease
C. 2 % increase
D. 2 % decrease
Explanation:
Original cost of each toy Rs. 100 and number originally sold be 100
Original sale proceed = Rs. (100 × 100) = Rs. 10000
New sale proceed = Rs . (120 ×85) = Rs. 10200
Increase % = (200/10000 × 100)% = 2%According to a recipe, 400 grams of flour should be mixed with 500 grams of sugar to bake cookies. If I have only 300 grams of flour, how much sugar should I mix to maintain the same proportion?
According to a recipe, 400 grams of flour should be mixed with 500 grams of sugar to bake cookies. If I have only 300 grams of flour, how much sugar should I mix to maintain the same proportion?A. 360
B. 380
C. 375
D. 400
Flour and sugar have to mixed in the ratio 4:5 4:5::300:x 4x=1500 x=375 375 grams of sugar should be mixed.Jameel bought paper sheets for Rs. 7200 and spent Rs. 200 on transport. Paying Rs 600 he had 330 boxes made. Which he said at Rs. 28 each. What is his profit Percentage?
Jameel bought paper sheets for Rs. 7200 and spent Rs. 200 on transport. Paying Rs 600 he had 330 boxes made. Which he said at Rs. 28 each. What is his profit Percentage?A. 15.5
B. 40
C. 60
D. None of these
Explanation:
330 boxes = Rs. (7200 + 200 600) = Rs. 8000
330 boxes = Rs. (330 × 28) = Rs. 9240
Gain% = (1240/8000 × 100)% = 15.5%Hafeez invested Rs. 15000 @ 10% per annum for one year. If the interest is compounded half-yearly, then the amount received by Hafeez at the end of the year will be?
Hafeez invested Rs. 15000 @ 10% per annum for one year. If the interest is compounded half-yearly, then the amount received by Hafeez at the end of the year will be?A. Rs. 16,500
B. Rs. 16,525.50
C. Rs. 16,537.50
D. Rs. 18,150
Explanation:
P = Rs. 15000; R = 10% p.a. = 5% per half-year; T = 1 year = 2 half-year
Amount = [15000 * (1 + 5/100)2]
= (15000 * 21/20 * 21/20) = Rs. 16537.50If the volume and surface area of a sphere is numerically the same then it’s radius is_________?
If the volume and surface area of a sphere is numerically the same then it’s radius is_________?A. 1 unit
B. 2 units
C. 3 units
D. 4 units