Question

Mental Maths
1. 160 is the 20th multiple of a number. The number is
2. Multiply the number of days in a week by 12. Subtract 24. What is the answer?
3. Reeta gave 800 to each of her 30 helpers on the occasion of her shop's anniversa
How much money did she distribute in all?
4.
What is the estimated product of 312 x 25?
5. Find the product of the predecessor of 99 with the successor of 999.​

Answer 1

Answer:

Answer of 4th question is 7800