Find the greatest number which will divide 25, 73 and 97 as so to leave the same remainder in each case?
A. 12
B. 18
C. 24
D. 32
Mathematics Mcqs
An officer was appointed on maximum daily wages on contract money of Rs. 4956. But on being absent for some days, he was paid only Rs. 3894. For how many days was he absent?
An officer was appointed on maximum daily wages on contract money of Rs. 4956. But on being absent for some days, he was paid only Rs. 3894. For how many days was he absent?
A. 3
B. 4
C. 5
D. 6
HCF of 4956, 3894 = 354
(4956 – 3894)/354 = 3
A man was employed on the promise that he will be paid the highest wages per day. The contract money to be paid was Rs. 1189. Finally he was paid only Rs. 1073. For how many days did he actually work?
A man was employed on the promise that he will be paid the highest wages per day. The contract money to be paid was Rs. 1189. Finally he was paid only Rs. 1073. For how many days did he actually work?
A. 39
B. 40
C. 37
D. 35
Explanation:
HCF of 1189, 1073 = 29
1073/29 = 37
In finding the HCF of two numbers, the last divisor was 41 and the successive quotients, starting from the first, where 2, 4 and 2. The numbers are______?
In finding the HCF of two numbers, the last divisor was 41 and the successive quotients, starting from the first, where 2, 4 and 2. The numbers are______?
A. 700,400
B. 820,360
C. 800,500
D. 820,369
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
HCF and LCM two numbers are 12 and 396 respectively. If one of the numbers is 36, then the other number is_______?
HCF and LCM two numbers are 12 and 396 respectively. If one of the numbers is 36, then the other number is_______?
A. 36
B. 66
C. 132
D. 264
Explanation:
12 * 396 = 36 * x
x = 132
Five bells first begin to toll together and then at intervals of 5, 10, 15, 20 and 25 seconds respectively. After what interval of time will they toll again together?
Five bells first begin to toll together and then at intervals of 5, 10, 15, 20 and 25 seconds respectively. After what interval of time will they toll again together?
A. 5 min
B. 5.5 min
C. 5.2 min
D. None
Find the least number of five digits which is exactly divisible by 12, 15 and 18?
Find the least number of five digits which is exactly divisible by 12, 15 and 18?
A. 1080
B. 10080
C. 10025
D. 11080
Explanation:
LCM = 180
180) 10000 (55
9900
———
100
10000 + 180 – 100 = 10080
The smallest number which when divided by 20, 25, 35 and 40 leaves a remainder of 14, 19, 29 and 34 respectively is________?
The smallest number which when divided by 20, 25, 35 and 40 leaves a remainder of 14, 19, 29 and 34 respectively is________?
A. 1994
B. 1494
C. 1349
D. 1496
LCM = 1400
1400 – 6 = 1394
A heap of coconuts is divided into groups of 2, 3 and 5 and each time one coconut is left over. The least number of Coconuts in the heap is_______?
A heap of coconuts is divided into groups of 2, 3 and 5 and each time one coconut is left over. The least number of Coconuts in the heap is_______?
A. 31
B. 41
C. 51
D. 61
Explanation:
LCM = 30 => 30 + 1 = 31