1) complete series 1010,738,222,?

2) 121:22=169:? (26,square root*2)

3) if a boy travel with 5/6th of usual speed,he's late by 10 minutes. what is the usual time

4) 70% passed in english,65% in maths.27% failed in both. 248 passed in both.find total no of students

(let it be x.so (70*x/100+65*x/100+27*x/100)=x-248)

5) rahul/raj=7:17. raj/ajay=7:17.if rahul has 260 rs then ajay has how many rs?)

6) one incresed 20 % cost price and made 10% discount.what is actual profit %)

7) 310 increased to 350.then decreased 50.what % increase and decrease)

8) compund intrest for 2 years at 3% is 101.5.find simple interest

9) a&b=sisters.r&p=brothers.a's daughter is r's sister.then how is b related to p