## Ismaiel Kalady is teaching live on Unacademy Plus

DAILY MATHS MCD Day 11 unzadenmy KERALA PSC/RRBISSC ISMAIEL KALADY

Course Overview Daily 3 to 5 questions Different Levels of Difficulty Advanced Techniques to solve Quickly Previous year PSC Questions Request your Questions Ismaiel Kalady

Home Work Solutions- LCM & HCF Ismaiel Kalady

1.4 bells ring at intervals of 30 minutes, 1 hour, 1 % hour and 1 hour 45 minutes respectively. All the bells ring simultaneously at 12 noon. They again ring simultaneously at: (a) 12 midnight (b) 3 a.m. (c) 6 a.m. (d) 9 a.m. Ismaiel Kalady

2. The LCM and the HCF of the numbers 28 and 42 are in the ratio: (b) 2:3 (c) 3:2 (d) 7:2 Ismaiel Kalady

3. A milkman has 75 litres milk in one cane and 45 litres in another. The maximum capacity of container which can measure milk of either container in exact number: (a) 1 litre (b) 5 litres (c) 15 litres (d) 25 litres Ismaiel Kalady

4. The largest 4-digit number exactly divisible by each of 12, 15, 18 and 27 is: ) b) 9720 c) 9930 d) 9960 Ismaiel Kalady

5. 84 Maths books, 90 Physics books and 120 Chemistry books have to be stacked topic wise. How many books will be there in each stack so that each stack will have the same height too? (a) 12 (b) 18 (c) 6 (d) 21 Ismaiel Kalady

Home Work Solutions - Percentage Ismaiel Kalady

I. In an election between two candidates, the candidate getting 60% of the votes polled is elected by a majority of 14,000 votes. The number of votes polled by the winning candidate is: (A) 28,000 (B) 32,000 (c) 42,000 (D) 46,000 Ismaiel Kalady

3. A student has to secure 40% marks to pass. He gets 90 marks and falls by 10 marks. Maximum marks are: (A) 200 (B) 225 (C) 250 (D) 275 Ismaiel Kalady

5. If 80% of a number added to 80 gives the result as the number itself. then the number is (A) 200 (B) 300 (C) 400 (D) 500 Ismaiel Kalady