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The traffic lights at three different road crossings change after 24 seconds, 36 seconds and 54 seconds respectively. If they all change simultaneously at 10 : 15 : 00 AM, then at what time will they again change simultaneously?
The train for Chandigarh leaves every two and a half hour from New Delhi Railway Station. An announcement was made at the station that the train for Chandigarh had left 40 min ago and the next train will leave at 18 h. At what time was the announcement made?
The true discount on a bill of Rs. 2160 is Rs. 360. What is the bankers discount?
The true discount on a certain sum of money due after 2.5 years at 6% per annum is less than the simple interest on the same sum for the same time by Rs. 81. Find the sum?
The true discount on Rs. 340 due 5 years hence is Rs. 40. Find the rate percent ?
The true discount on Rs.1, 860 due after a certain time at 5% is Rs.60. Find the time after which it is due.
The two numbers are in the ratio of 2 : 3 and the product of their HCF and LCM is 33750 , then sum of number is
The two numbers are in the ratio of 2:3 and the product of their HCF and LCM is 33750 the sum of the number is.
The unit digit in 3 × 38 × 537 × 1256 is
The unit digit in the expansion of (2137)^754 is
