127. Two successive price increase of 10% and 10% of an article are equivalent to a single price increase of
128. $$\frac{\sqrt{3+x} + \sqrt{3-x}}{\sqrt{3+x} - \sqrt{3-x}}$$ = 2 then x is equal to
129. An equilateral triangle of side 6cm has its corners cut off to form a regular hexagon. Area (in cm2) of this regular hexagon will be ?
130. The length (in metres) of the longest rod that can he put in a room of dimensions 10 m x 10 m x 5m is
131. If Rs. 1000 is divided between A and B in the ratio 3:2, then A will receive
132. What must be added to each term of the ratio 7:11, so as to make it equal to 3:4 ?
133. A sum of money at compound interest doubles itself in 15 years. It will become eight times of itself in?
134. Buses start from a bus terminal with a speed of 20 km/hr at intervals of 10 minutes. What is the speed of a man coming from the opposite direction towards the bus terminal if he meets the buses at intervals of 8 minutes ?
135. If the circumference of a circle is decreased by 50% then the percentage of decrease in its area is:
136. At what rate per cent per annum will a sum of Rs. 1,000 amount to Rs. 1,102.50 in 2 years at compound interest ?
137. What annual payment will discharge a debt of Rs. 6,450 due in 4 years at 5% per annum simple interest ?
138. The average of the first 100 positive integers is
139. In a family, the average age of a father and a mother is 35 years. The average age of the father, mother and their only son is 27 years. What is the age of the son?
140. If 5 men or 7 women can earn Rs. 5,250 per day, how much would 7 men and 13 women earn per day ?
141. If A and B together can complete a piece of work in 15 days and B alone in 20 days, in how many days can A alone complete the work ?
142. By walking at 3/4 of his usual speed, a man reaches his office 20 minutes later than his usual time. The usual time taken by him to reach his office is
143. A can complete a piece of work in 18 days, B in 20 days and C in 30 days. B and C together start the work and are forced to leave after 2 days. The time taken by A alone to complete the remaining work is
144. A train, 300m long, passed a man, walking along the line in the same direction at the rate of 3 km/hr in 33 seconds. The speed of the train is
145.
Directions :The pie chart, given here, represents the number of valid votes obtained by four students who contested election for school leadership. The total number of valid votes polled was 720. Observe the chart and answer the questions based on it.
Number represented in pie-chart are in degrees.What was the minimum number of votes obtained by any candidate ?
146. What was the winner ?
147. By how many votes did the winner defeat his nearest rival ?
148. He is a university professor/but of his three sons/neither has any merit./No error.
149. After knowing truth,/they took the right decision/in the matter./No error.
150. It is time you/decide on your next/course of action./No error.
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Number represented in pie-chart are in degrees.What was the minimum number of votes obtained by any candidate ?
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