Marks of Lokesh = 98 %
so that of Avinash will be 98-1 = 97%
now we have to find the % of difference of marks w. r. t. marks of Avinash it will be
1*100/97 = 100/97 = 1.031
How many ways are possible to arrange 4 boys and 3 girls for a dinner, if there are two straight benches of capacity 5 and 2 persons for their sitting?
Total no. of persons = 7
Since benches are straight, therefore arranging them in benches of capacity 5 and 2 persons is
equivalent to arranging them in a straight bench of capacity 7 persons.
Total no. of methods
= 7*6*5*4*3*2*1 = 5040
A student got 68 % in the board examination. What would be his percentage, if he got 10 % (of the total marks of the subject) more marks in physics, chemistry and mathematics? Total marks are 500 and every paper is of 100 marks.
How many numbers of five digits can be formed by using 1, 2, 3, 4, 5, if 4 is necessarily taken at hundred's place and 2 is not allowed at unit's place. Repetition of numbers is not allowed.
A sum of amount of money is sufficient to pay Naveen’s salary for 28 days and Mohan’s salary for 44 days. The same money is adequate to pay the salary of both for.
OPtion
1) 17.11 days
2) 18.5 days
3) 18.4 days
4) 19 days
5) 19.5 days
6) 16 days
7) 16.5 days
8) 16.11 days
9) 15.27 days
10) None of the above
Solution
Let the total money be Rs.x
Naveen’s 1 day salary = Rs. x/28
Mohan’s 1 day salary = Rs. x/44
(Naveen + Mohan) 1 day salary = Rs(x/28+x/44)
= (7x+11x)/308 =18x/308
x = 308/18 = 17.11
Money is adequate to pay the salary of both for 17.11 days.
Ms Pooja had 20.80 m of cotton piece. See cut 7 smaller pieces each of length 0.81 m from it. How many meters of cotton (approx.) were left?
OPtion
1) 5.67 m
2) 16.15 m
3) 14.15 m
4) 15.50 m
5) 16.50 m
6) 14.50 m
7) 15.15 m
8) 16 m
9) 12.37 m
10) None of the above
Solution
Total length of cotton = 20.80 m
Length of 1 small piece of cotton = 0.81 m
Length of 7 small pieced of cotton = 7 x 0.81 = 5.67 m
Hence length of remaining cotton = 20.80 – 5.67 = 15.15 m
Maths is just like a stone if u will uttern it therefore u can acheive the zenith of success but if u will not in that case it will become headache for u...