# Posts by Sapna

Total # Posts: 20

**Math**

In a school 4/11 of the students are girls.if there are 490 boys, find the number of girls.

**Math**

solution of a rectangular swimming pool 8m long and 5m wide has 0.5 m wide path around it . find area of path

**science**

calculate the heat f iodine vapours & solid are 0.031 & 0.055 cal/g respectively. If heat of sublimation f iodine is 24 cal/ g at 200°C .wat is its value at 260°C??

**math**

Which number of players can be arranged in the shape of square?

**math**

If a - b , a , a + b are zeros of polynomial x3-3x2 + x + 1 the value of(a+b) is:

**maths**

integrate x^2/(x^4+a^4) dx

**maths --plse help ..sumebudy help me to solve this**

Thank you drwls ,

**maths --plse help ..sumebudy help me to solve this**

On a certain sum, Compound interest is Rs41 and Simple interest is Rs 40. for 2 years. What is the rate p.a.?

**maths --plse help me..**

how to find the square root of 404.41 with steps please help

**maths**

if r is to be calculated , then how u can directly say r = .05%

**maths**

Plse do it again, u have really confuse me

**maths**

How 20 came

**maths**

On a certain sum, C.I. is Rs 41 and SI is Rs 40. for 2 years. What is the rate p.a

**maths --plse help me..**

if a, b, c are in A.P. then solve that b+c-a,c+a-b,a+b-c are in A.P.

**probaility.....plse help me.....**

From the word HINDUSTAN ===== (a) In how many of these anagrams none of the vowels come together. (b) In how many of these anagrams do the vowels and the consonants occupy the same relative positions as in HINDUSTAN?

**maths**

Thank You so much..

**maths**

plse explain me again, i didn't get it..

**maths**

If ax^2 + bx + c = 0 If a,b,c E R. Find the condition that this equation would have atleast one root in [0,2].

**Psychology**

This branch of psychology is primarily concerned with what can be readily seen and recorded: (Points : 1) Cognitive psychology Psychoanalysis Moral Development Behaviorism Tiffany feels a sense of fulfillment when she volunteers at the school down the street. She has no ...

**Chemistry**

-1.4 J