Which of the following protects the inner lining of the stomach from the action of the hydrochloric acid under the normal conditions?
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For triangle PQR, what is the equation of altitude PS if coordinates of P, Q and R are (5,1), (0,4) and (2,3) respectively?
The bus fare between two cities is increased in the ratio 1:2. Find the increase in the fare, if the original fare is Rs. 175.
Name the drug that is yielded from Cinchona tree and is used to cure malaria.
Which of the following quadratic equations has real roots?
If 192 pens cost is Rs.10, how many pens can be bought for Rs.5?
In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
Be under no illusions
If the value of √30 is approximately 5.477, then what is the approximate value of 56 ?