# JEE Questions and Answers

### JEE Main - Mathematics

## If sec(theta +36°)=cosec theta then theta is equal to

### Asked by dhanush.jyothicn | 23rd Jul, 2021, 08:07: PM

### JEE Main - Mathematics

## An ISLB 300 @369.8 N/m transmits an end reaction of 400 kN, under factored loads to the @710.2 N/m. Design a bolted framed connection. Steel is of grade Fe 410 and bolts are of grade 4.6.

### Asked by akhilyadavgosula | 11th Jul, 2021, 03:08: PM

### JEE Main - Mathematics

## Compute the coefficient of correlation between x and y from the following data. 2, 4, 5, 6, 8, 11 . y 18,12,10,8,7,. 5.

### Asked by patilaviraj515 | 7th Jul, 2021, 05:07: PM

### JEE Main - Mathematics

## Let ABCD be a tetrahedron such that the edges AB , AC and AD are mutually perpendicular let area of trangles ABC ACD and ADB be 8.9 and 8 square units respectively find the area of triangle BCD

### Asked by ajaykkp4146 | 24th Jun, 2021, 10:08: PM

### JEE Main - Chemistry

## One mole of ideal gas initially at 750 K and 11.84 atm undergoes a four step mechanically reversible cycle in a closed system. First pressure decreases isothermally to 4.93 atm; then pressure decreases at constant volume and change in Enthalpy = - 8730 J; then volume decreases at constant pressure with change in internal energy = -5334 J; and finally, the gas returns adiabatically to its initial state. Sketch the cycle and Determine (where unknown) T, V and P and Calculate the four faction for The irreversible cycle with an efficiency of 85%. CV = 20.786

### Asked by krishanballiwal578 | 20th Jun, 2021, 10:46: AM

### JEE Main - Mathematics

## If a,b are the least and the gre

### Asked by eswarbeast01 | 18th Jun, 2021, 10:39: AM

### Kindly Sign up for a personalised experience

- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions

#### Sign Up

#### Verify mobile number

Enter the OTP sent to your number

Change