A. 485
B. 431
C. 391
D. 381
Explanation:
HCF of 323, 437 = 19
323 * 437 = 19 * 19 * x
x = 391
Related Mcqs:
- Find the size of the largest square slabs which can be paved on the floor of a room 5 meters 44 cm long and 3 meters 74 cm broad?
A. 56
B. 42
C. 38
D. 34 - How many minimum number’s of whole square slabs are required for paving the floor 12.96 meters long and 3.84 meters side?
A. 216
B. 192
C. 108
D. 256 - A room is 6 meters 24 centimeters in length and 4 meters 32 centimeters in width. Find the least number of square tiles of equal size required to cover the entire floor of the room?
A. 110
B. 124
C. 96
D. 117 - Find the number of square tiles to cover the floor of a room measuring 4 m * 9 m leaving 0.25 m space around the room. A side of square tile is given to be 25 cms?
A. 425
B. 476
C. 450
D. 350 - The perimeter of a rectangle and square are 160m each. The area of the rectangle is less than that it’s square by 100cm meters. The less than that of the square by 100 sq.meters. the length of rectangle is___________?
A. 30m
B. 40m
C. 50m
D. 60m - A room is 12 ¼ m long and 7w wide. The maximum length of a square tile to fill the floor of the room with whole number of it’s tiles should be_________?
A. 200cm
B. 175cm
C. 125cm
D. 150cm - The length of a rectangular room is 4 meters. If it can be partitioned into two equal square rooms. What is the length of each partition in meters:________?
A. 1
B. 2
C. 4
D. Data Inadequate - The length of a rectangular floor is more than its breadth by 200%. If Rs. 324 is required to paint the floor at the rate of Rs. 3 per sq m, then what would be the length of the floor?
A. 27 m
B. 24 m
C. 18 m
D. 21 m - How many meters of carpet 50cm, wide will be required to cover the floor of a room 30m * 20m?
A. 1000
B. 600
C. 2400
D. 1200 - How many meters of carpet 63cm will be required to be a floor of a room 14m by 9cm?
A. 200m
B. 210m
C. 220m
D. 185m
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