alleryStart learning →Giving 3 sweets to each child leaves 5 sweets; giving 4 each would need 5 more. How many children are there?
A10
B5
C8
D15
Answer & Solution
Correct answer: A. 10
For n children, the fixed number of sweets is 3n+5. It is also 4n−5 because five more would be needed for four each. Hence 3n+5=4n−5 and n=10.
Keep practising Linear Equations in One Variable
Browse all Linear Equations in One Variable questions for ICSE Class 8, or explore more Mathematics topics.
Related questions
One quarter of a number exceeds one fifth of it by 3. What is the number?Two complementary angles measure (2x+10)° and (x+20)°. Find x.A 2 L mixture contains 0.4 L juice. Add x L water; volumes add. For juice to be 1/10 of thTwo ribbon lengths are x metres and (x+50) centimetres. Together they measure 252 cm. WhatSolve the equation with decimal factors: 0.25(4f−3)=0.05(10f−9).Which real numbers satisfy 4(x+2)=4x+8?Over the real numbers, how many solutions does 3x+5=3x+2 have?A leaves P at 3 km/h. B follows 1 h later at 5 km/h. Same route, steady speeds, no stops.