EASY
Upper Secondary: IGCSE
IMPORTANT
Earn 100

A grandfather is six times as old as his grandson. If the grandfather was 45 when his grandson was born, how old is the grandson?

Important Questions on More Equations, Formulae and Functions

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
A rectangle of perimeter 74 cm is 7 cm longer than it's wide. What is the length of each side?
EASY
Upper Secondary: IGCSE
IMPORTANT
Smitville is located between Jonesvilla and Cityville. Smitville is five times as far away from Cityville as it is from Jonesvilla. If the distance between Jonesvilla and Cityville is 288 km, how far is it from Jonesvilla to Smitvilla?
EASY
Upper Secondary: IGCSE
IMPORTANT
Amrita is twice as old as her cousin Pam. Nine years ago, their combined age was 18. What are their present ages?
HARD
Upper Secondary: IGCSE
IMPORTANT
Jabu left town A to travel to town B at 6.00 a.m. He drove at the average speed of 80 km/h. At 8.30 am, Sipho left town A to travel to town B. He drove at an average speed of 100 km/h. At what time will Sipho catch up with Jabu?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Cecelia took 40 minutes to complete a journey. She travelled half the distance at a speed of 100 km/h and the other at 60 km/h. How far was her journey? 
EASY
Upper Secondary: IGCSE
IMPORTANT
A number is 3 more than the another number and the product of these two number is 40.Find the possible pair of numbers.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
A ball starts to roll down a slope.If the ball is d metre from its starting point at time t sec.and d=t2+3t.Find the time at which the ball is 10 metre from its starting point.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
The nth term of the sequence 1,3,6,10,15..... is nn+12,where n is the position of each term in the sequence.Use algebra to find the position of the number 78.