Question 07
The standard form of −4860 is
(a) 4860
(b) −6048
(c) −45
(d) −4−5
Given rational number is −4860 For standard/simplest form divide numerator and denominator by their HCF i.e.−48÷1260÷12=−45 Hence the standard form of −4860 is −45
In the adjoining figure, AOB is a straight line. If x : y : z=4:5 :6, then y =?
(a) 60∘
(b) 80∘
(c) 48∘
(d) 72∘
12, 23, 34 and 45 as like fractions are 4060, 3060, 4560 and 4860 repectively.