Gender equity is important in science classrooms. Which one of the following is correct?

(A) Gender stereotypes in schools can limit educational opportunities for students

(B) Single sex schools are solution for Gender equity

(C) Books under-represent females both in text and images

(D) Boys are more comfortable with instruments as compared to girls

In an examination, 120 questions were asked. As there was negative marking, Reena decided not to attempt 15 questions. Each question carried 2 marks. 80% of her questions were correct. 1 mark is deducted for a wrong answer. How many marks did Reena get in this examination?

A square is divided into 9 equal squares, out of which 5 squares are shaded. If the shaded portion is expressed in the form of a fraction whose numerator is 25, what will be its denominator ?

The value of \((-1.1)^5 \times (1.21)^{-2}\) is :

George deposited ₹ 15,000 in a bank, where compound interest is 10% per annum, compounded annually. How much interest will he get after two years ?

The difference between the square root and the cube root of the number \(729 \times 64\) is:

Sum of the solutions of the equations \(3x - 2(2x-5) = 2(x+3) - 8\) and \(3x = 5x - \frac{8}{5}\) is:

\(20xy - 4xz + 10y - 2z\) is equal to:

Side DC of a parallelogram ABCD is produced to a point E such that \(\angle BCE = 70^\circ\). If \(\angle DAB = x\), \(\angle ADB = 40^\circ\), \(\angle DBC = y\) and \(\angle BDC = z\), then value of \(x+y+z\) is equal to: