Question
Three years ago, Ritu was twice as old as Rajni, and
currently, the total of their ages is 36 years. What will Ritu's age be four years from now?Solution
Let Ritu's current age be x and Rajni's current age be y. Three years ago: xâ3=2(yâ3) (Ritu was twice Rajni's age) Currently: x+y=36 (Their total age is 36) Solve the equations: Ritu's current age, x = 23 Ritu's age 4 years from now = 23+4=27Â years
Select the correct combination of mathematical signs that can sequentially replace the * signs and make the equation correct.
45 $ 5 $ 68 $ 17$ 12 = 37
If âPâ means (á), âQâ means (Ă), âRâ means (+), and âSâ means (-), then what is the value of the expression: 840 P 14 R 32 Q 8 S 99 R ...
- Which two signs should be interchanged to correct the given equation?
5 + 3 Ă 8 â 12 á 4 = 3 If 'A' means 'Ă', 'B' means 'á', 'C' means '+', and 'D' means '-', then what will come in the place of '?' in the given expression?
180 A 5 ...
Which among the given operators should replace the â%â (in the same order) in the given expression below:
8 % 13 % 8 % 69 % 36 % 9
Select the correct combination of mathematical signs to replace the '*' signs and to balance the given equation.
169 * 13 * 30 * 12 * 4 * 18 = 85
If A denotes âadditionâ, B denotes âmultiplicationâ, C denotes âsubtractionâ, and D denotes âdivisionâ, then what will be the value of...
Select the correct combination of mathematical signs that can sequentially replace the sign * and make the equation correct.
8 * 12 * 7 * 5 * 3 * 201
Mohit and Sudesh bought pens and notebooks from the same shop. Mohit bought 3 pens and 6 notebooks by paying an amount of âš180. Sudesh bought 5 pens a...
Two statements are given, followed by three conclusions numbered I. II and III. Assuming the statements to be true, even if they seem to be at variance...
