9 labourers can complete the construction of a wall in 18 days. How many less days will 12 labours take to complete the same wall?
Answer : Option 1
Explaination : it takes 9*18 man-days to do it. With 12 laborers, it will take 12*d = 9*18 d = 13.5 days days less = 18 - 13.5 = 4.5
In a family there are some boys and girls. All boys told that they are having equal number of brothers and sisters and girls told that they are having twice the number of brothers than sisters. How many boys and girls are
A. 5 boys & 3 girls
B. 7 boys & 2 girls
C. 4 boys & 3 girls
D. 6 boys & 2 girls
Answer : Option 3
Explaination : Let number of boys =b And number of girls=g; Since each brother having equal no of brothers and sisters So b-1=g Girls told that they are having twice the no. of brothers than sisters b=2(g-1) Therefore 1+g=2g-2 g=3
If a person makes a row of toys of 20 each, there would be 15 toys left. If they made to stand in rows of 25 each, there would be 20 toys left, if they made to stand in rows of 38 each, there would be 33 toys left and if t
Answer : Option 4
Explaination : Required number of toys =LCM (20, 25, 28, 38 and 40)–5 ⇒ 3,800−5=3,800−5= 3,795.
Which of the following is a Non-modifying Sequence Operation?
Answer : Option 4
Explaination : search()
Construct post order Transversal for the constructed tree with the given In-Order and Preorder Traversals: In-Order: 9 7 10 6 8 Pre-Order: 6 7 9 10 8
OnlineStudy4U is india's No.1 placement training institute.
More than 50,000+ students are selected in India's top MNC
with a highest package of 30LPA. Onlinestudy4U has India's
Best mentor who are available for students 24x7. We are the
only Placement training Institute in India which provides
Mock Test with video solution for all companies. we have
more than 2000+ free videos available on youtube for
the needy who can not afford to pay for the course.
However OnlineStudy4U courses are very much affordable
with Quality Content Prepared by IT Industry Experts.