For the following questions answer them individually
The value of $$\frac{1 - 2 \sin^2 \theta \cos^2 \theta}{\sin^4 \theta + \cos^4 \theta} - 1$$ is:
From the given table, what is the percentage of students scoring 40 or more. but less than 70.
The value of $$3 - (9 - 3 \times 8 \div 2)$$ is
The coefficient of y in the expansion of $$(2y - 5)^3$$, is:
In a school, the distribution of teachers is as follows:
The total number of teachers of age less than 40 years is:
Ten men or twelve women can finish the same workin 10 days. If 5 men and 2 women undertake the work together, how many days will they take to complete the work?
In an examination, Anita scored 31% marks and failed by 16 marks. Sunita scored 40% marks and obtained 56 marks more than those required to pass. Find the minimum marks required to pass.
If the given number 925x85 is divisible by 11, then the smallest value of x is:
Two cars A and B leave Delhi at 8:30 a.m. and at 9 a.m. for Shimla, respectively. They travel at the speeds of 40km/h and 50 km/h respectively. How many kilometres away from Delhi will the two cars be together?
What is the value of $$\sin 30^\circ + \cos 30^\circ - \tan 45^\circ $$?