Directions: Following is the pie-chart showing the spending of a family on various items in a particular year

Study the pie chart and answer questions

Angle of the pie chart representing the expenditure on entertainment is

Three bells ring at interval of 36 seconds, 40 seconds and 48 seconds respectively. They start ringing together at a par- ticular time They will ring to gether after every 

The marked price of an article is 30% higher than the cost price. If a trader sells the articles allowing 10% discount to customer, then the gain per- cent will be

A shopkeeper offers the following three schemes. Scheme-I: Two successive discounts of 15% and 25% Scheme-II: Buy 5, get 3 free Scheme-III: Buy 4, get 6 Which scheme is the best for customers?

What is the value of cosecA(1 − cosA)(cosecA + cotA)?

Find the value of tan 27⁰ tan34⁰ + tan34⁰ tan29⁰ + tan29⁰ tan27⁰.

Direction: In the given question, two equations numbered l and II are given. Solve both the equations and mark the appropriate answer.

I. 9x² – 3x – 2 = 0
II. y² – 8y + 16 = 0

The value of   $${sin23^0cos67^0+sec52^0sin38^0+cos23^0sin67^0+cosec52^0cos38^0}\over cosec^220^0-tan^270^0$$ is