There are 1000 junior and 800 senior students in a class. And there are 60 sibling pairs where each pair has 1 junior and 1 senior.1 student is chosen from senior and 1 from junior randomly.What is the probability that the two selected students are from a sibling pair?

832

Suhana gets 70% in Maths, 80% in Physics. To get an overall of 75% how much should she get in English.

717

Light glows for every 13 seconds . How many times did it glow between 1:57:58 and 3:20:47 am.

1621

Find perimeter of a trapezium with 3 sides given and distance between parallel sides given.

1132

What is the selling price of can cost selling price of .. cost .. is Rs 60 ,10% profit over selling price ?

749

in a railway station, there are tow trains going. One in the harbour line and one in the main line, each having a frequency of 10 minutes. the main line service starts at 5 o'clock. the harbour line starts at 5.02a.m. a man goes to the station every day to catch the first train. what is the probability of man catching the first train

803

A power unit is there by the bank of the river of 750 meters width. A cable is made from power unit to power a plant opposite to that of the river and 1500mts away from the power unit. The cost of the cable below water is Rs. 15/- per meter and cost of cable on the bank is Rs.12/- per meter. Find the total of laying the cable.

824

An equilateral triangle of sides 3 inch each is given. How many equilateral triangles of side 1 inch can be formed from it?

934

Square side 7 cm. Find the area 4 equal circles of the circle lying drawn at the…

702

Each row of letters or numbers has a rule connecting them. Write the next number or letterin the brackets. K , A , J , B , I , C , H , (_ _ _)

892

In an examination 30% of the students failed in Maths, 40% failed in Science and 25% failed in both the subjects. If 220 passed in both the subjects. Find the number of students appeared in the examination?

1372

If the equation x2 - 3x + a = 0 has the roots (0,1) then value of a is ?

725

How many different 9 digit numbers can be formed from the number 223355888 by re-arranging its digits so that the odd digits occupy even position?

826

There were 36 chairs. how many ways can they be placed such that all rows have equal no. of chairs and atleast three chairs are there in each row and there are atleast three rows.

877

Seven members sat around a table for three days for a conference. The member's names were Abhishek, Amol, Ankur, Anurag, Bhuwan ,Vasu and Vikram. The meetings were chaired by Vikram. On the first evening members sat around the table alphabetically. On the following two nights, Vikram arranged the seating so that he could have Abhishek as near to him as possible and absent minded Vasu as far away as he could. On no evening did any person have sitting next to him a person who had previously been his neighbor. How did Vikram manage to seat everybody to the best advantage on the second and third evenings?

747