What least number must be added to 1056, so that the sum is completely divisible by 23?
Correct answer A. 2
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Maths MCQs & Aptitude MCQs
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It is being given that (232 + 1) is completely divisible by a whole number. Which of the following numbers is completely divisible by this number?
Correct answer D. (296 + 1)
(112 x 54) =?
Correct answer B. 70000
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Which one of the following is not a prime number?
Correct answer D. 91
What is the cost painting the two adjacent walls of a hall at Rs. 5 per m2 which has no windows or doors? I. The area of the hall is 24 sq. m. II. The breadth, length and height of the hall are in the ratio of 4: 6: 5 respectively. III. Area of one wall is 30 sq. m.
Correct answer C. III only
What is the area of the given rectangle? I. Perimeter of the rectangle is 60 cm. II. Breadth of the rectangle is 12 cm. III. Sum of two adjacent sides is 30 cm.
Correct answer E. II and either I or III
What is the area of rectangular field? I. The perimeter of the field is 110 metres. II. The length is 5 metres more than the width. III. The ratio between length and width is 6: 5 respectively.
Correct answer B. Any two of the three
What is the area of a right-angled triangle? I. The perimeter of the triangle is 30 cm. II. The ratio between the base and the height of the triangle is 5: 12. III. The area of the triangle is equal to the area of a rectangle of length 10 cm.
Correct answer A. I and II only
What is the area of the hall? I. Material cost of flooring per square metre is Rs. 2.50 II. Labour cost of flooring the hall is Rs. 3500 III. Total cost of flooring the hall is Rs. 14,500.
Correct answer C. All I, II and III
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A tank is 25 m long, 12 m wide and 6 m deep. The cost of plastering its walls and bottom at 75 paise per sq. m, is:
Correct answer C. Rs. 558
A rectangular field is to be fenced on three sides leaving a side of 20 feet uncovered. If the area of the field is 680 sq. feet, how many feet of fencing will be required?
Correct answer D. 88
The length of a rectangular plot is 20 metres more than its breadth. If the cost of fencing the plot @ 26.50 per metre is Rs. 5300, what is the length of the plot in metres?
Correct answer E. None of these
The length of a rectangle is halved, while its breadth is tripled. What is the percentage change in area?
Correct answer B. 50% increase
The difference between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m, then its area is:
Correct answer D. 2520 m2
What is the least number of squares tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad?
Correct answer A. 814
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The diagonal of a rectangle is 41 cm and its area is 20 sq. cm. The perimeter of the rectangle must be:
Correct answer B. 18 cm
A man walked diagonally across a square lot. Approximately, what was the percent saved by not walking along the edges?
Correct answer C. 30
A towel, when bleached, was found to have lost 20% of its length and 10% of its breadth. The percentage of decrease in area is:
Correct answer D. 28%
The diagonal of the floor of a rectangular closet is 7 feet. The shorter side of the closet is 4 feet. What is the area of the closet in square feet?
Correct answer C. 27
A rectangular park 60 m long and 40 m wide has two concrete crossroads running in the middle of the park and rest of the park has been used as a lawn. If the area of the lawn is 2109 sq. m, then what is the width of the road?
Correct answer B. 3 m