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Important Formulas
Vedic/Quicker Math
Alligation or Mixture
Area
Average
Banker's Discount
Boats and Streams
Calendar
Chain Rule
Clock
Compound Interest
Decimal Fraction
Logarithm
Numbers
Odd Man Out and Series
Partnership
Percentage
Permutation & Combination
Pipes and Cistern
Probability
Problems on Ages
Problems on H.C.F & L.C.M
Problems on Numbers
Problems on Trains
Profit & Loss
Races and Games
Ratio and Proportion
Simple Interest
Simplification
Square Root and Cube Root
Stocks and Shares
Surds and Indices
Time and Distance
Time and Work
True Discount
Volume and Surface Area
Practice Questions
Note:- You can add tough questions into your favourite list for second revision. |
The top of a 15 metre high tower makes an angle of elevation of 60° with the bottom of an electric pole and angle of elevation of 30° with the top of the pole. What is the height of the electric pole ? | |
A. | 5 metres [Wrong Answer] |
B. | 8 metres [Wrong Answer] |
C. | 10 metres [Correct Answer] |
D. | 12 metres [Wrong Answer] |