How Many Pluses

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?




Similar Math Riddles

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

Asked by Neha on 12 Dec 2024


Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

Asked by Neha on 27 Oct 2024

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

Asked by Neha on 26 Sep 2021


Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

Asked by Neha on 27 Aug 2023

Can you write down eight eights so that they add up to one thousand?

Asked by Neha on 02 Apr 2022

While house hunting in London, I came across a very good leasehold property Discussing the lease the landlady told me:

'The property was originally on a 99 years lease and two-thirds of the time passed is equal to four-fifths of the time to come. Now work it out for yourself and see how many years are to go!

Asked by Neha on 18 Apr 2022


Rectify the following equality 101 - 102 = 1 by moving just one digit.

Mathematical Signs Magic

Asked by Neha on 08 Mar 2021

Solve the mathematical equation in the picture below.

Math Equation Picture

Asked by Neha on 16 May 2023

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

Asked by Neha on 31 Jul 2023


A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?

Asked by Neha on 16 Sep 2024

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Amazing Facts

Out of the Box

The phrase “thinking outside the box” was popularised from the solution to a topographical puzzle involving 9 dots in a box shape.