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Mathematics Mcqs

Find the lowest 4-digit number which when divided by 3, 4 or 5 leaves a remainder of 2 in each case?

Mathematics Mcqs, Problems on L.C.M and H.C.F /
Find the lowest 4-digit number which when divided by 3, 4 or 5 leaves a remainder of 2 in each case?

A. 1020
B. 1026
C. 1030
D. 1022
Explanation:
Lowest 4-digit number is 1000.
LCM of 3, 4 and 5 is 60.
Dividing 1000 by 60, we get the remainder 40. Thus, the lowest 4-digit number that exactly divisible by 3, 4 and 5 is 1000 + (60 – 40) = 1020.
Now, add the remainder 2 that’s required. Thus, the answer is 1022.

Find the lowest 4-digit number which when divided by 3, 4 or 5 leaves a remainder of 2 in each case? Read More »

Mathematics Mcqs, Problems on L.C.M and H.C.F

Find the greatest 4-digit number exactly divisible by 3, 4 and 5?

Mathematics Mcqs, Problems on L.C.M and H.C.F /
Find the greatest 4-digit number exactly divisible by 3, 4 and 5?

A. 9985
B. 9960
C. 9957
D. 9975
Explanation:
Greatest 4-digit number is 9999. LCM of 3, 4 and 5 is 60. Dividing 9999 with 60, we get remainder 39. Thus, the required number is 9999 – 39 = 9960.

Find the greatest 4-digit number exactly divisible by 3, 4 and 5? Read More »

Mathematics Mcqs, Problems on L.C.M and H.C.F

A gardener was asked a plant flowers in a row containing equal number of plants. He tried to plant 6, 8, 10 and 12 in each row, but 5 plants left in each case. When he planted 13 in a row, no plant was left. Find the number of plants with him?

Mathematics Mcqs, Problems on L.C.M and H.C.F /
A gardener was asked a plant flowers in a row containing equal number of plants. He tried to plant 6, 8, 10 and 12 in each row, but 5 plants left in each case. When he planted 13 in a row, no plant was left. Find the number of plants with him?

A. 245
B. 125
C. 485
D. 845

A gardener was asked a plant flowers in a row containing equal number of plants. He tried to plant 6, 8, 10 and 12 in each row, but 5 plants left in each case. When he planted 13 in a row, no plant was left. Find the number of plants with him? Read More »

Mathematics Mcqs, Problems on L.C.M and H.C.F

A right cylinder and a right circular cone have the same radius and the same volume. The ratio of the height of the cylinder to that of the cone is_________?

Mathematics Mcqs, Volumes /
A right cylinder and a right circular cone have the same radius and the same volume. The ratio of the height of the cylinder to that of the cone is_________?

A. 3: 5
B. 2: 5
C. 3: 1
D. 1: 3

A right cylinder and a right circular cone have the same radius and the same volume. The ratio of the height of the cylinder to that of the cone is_________? Read More »

Mathematics Mcqs, Volumes

The radius of a circular cylinder is the same as that of a sphere. Their volumes are equal. The height of the cylinder is________?

Mathematics Mcqs, Volumes /
The radius of a circular cylinder is the same as that of a sphere. Their volumes are equal. The height of the cylinder is________?

A. 4/3 times its radius
B. 2/3 times its radius
C. Equal to it’s radius
D. Equal to it’s diameter

The radius of a circular cylinder is the same as that of a sphere. Their volumes are equal. The height of the cylinder is________? Read More »

Mathematics Mcqs, Volumes

The number of solid spheres each of diameter 6 cm, that could be moulded to form a solid metal cylinder of height 45 cm and diameter 4 cm is?

Mathematics Mcqs, Volumes /
The number of solid spheres each of diameter 6 cm, that could be moulded to form a solid metal cylinder of height 45 cm and diameter 4 cm is?

A. 3
B. 4
C. 5
D. 6

The number of solid spheres each of diameter 6 cm, that could be moulded to form a solid metal cylinder of height 45 cm and diameter 4 cm is? Read More »

Mathematics Mcqs, Volumes