a) 0.5 work b) 0.7 work c) 0.75 work d) 0.9 work correct answer is: a) 0.5 work Explanation Let, the whole work According to the question,In the first three days a man does of the work. ...
Science Sparkle Latest Questions
a) 10% b) 8% c) 6% d) 12 ½% correct answer is: b) 8% Explanation Actually here ‘Sum’ indicates ‘Principal’Let, Sum Rate % p.a.Time yearsSimple Interest or We know, S.I. According to the question, [cross multiply]% ...
a) Rs 500 b) Rs 510 c) Rs 530 d) Rs 540 correct answer is: b) Rs 510 Explanation Here,Length mBreadth mWe know,Perimeter of rectangle = 2 × (length + Breadth) Perimeter of the field is ...
a) 567 b) 576 c) 675 d) 657 correct answer is: d) 657 Explanation The product of two number is .Here, is half of one number. One number is Let, Other number be According to the question, ...
Formula use: Explanation Here, given expression is Now, put the value of and [x=4,y=3]Ans:
a) 0.106 b) 0.160 c) 0.006 d) 0.016 correct answer is: d) 0.016 Explanation First we rearrange the decimal numbers and Now, we find the HCF of and HCF of is We can see there ...
a) 2 years 1 months b) 2 years 2 months c) 2 years 3 months d) 2 years 4 months correct answer is: c) 2 years 3 months Explanation Here,Principal Rs Rate %S.I. Rs Let, Time ...