Maths Numbers Ratio and Proportion University Assistant 2016 What number should be subtracted from each of the number 23, 30, 57 and 78 so that the remainders are in proportion? A - 4 B - 3 C - 6 D - 7 Answer : C Explanation Proportion says that two ratios (or fractions) are equal. Example: 1/3 = 2/6. Show Answer
2D figures Maths Mensuration Rectangle University Assistant 2016 A garden is 90 m long and 75 m broad. A path 5m wide is to be built outside around it. Find the area of the path A - 850 B - 6750 C - 1750 D - 7600 Answer : C Explanation To find the area of a rectangle, multiply the length by the width. Show Answer
Fraction Maths Numbers Ratio and Proportion University Assistant 2016 If y-x/x = 3/8. Find y:x A - 11 : 8 B - 8 : 11 C - 8 : 5 D - 5 : 8 Answer : A Explanation x = 8, y-x = 3, so y = 11, y : x = 11 : 8. Show Answer
LCM and HCF Maths University Assistant 2016 H.C.F of 36 and 264 is A - 6 B - 36 C - 792 D - 12 Answer : D Explanation The largest common factor of two or more numbers is called the highest common factor (HCF). 12*3 = 36; 12*22 =264. So HCF = 12. Show Answer
