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A number when increased by 50%', gives 2790. The number is: एक संख्या में 50% की वृद्धि करने पर 2790 प्राप्त होता है। वह संख्या –––––––––– है।

Which of the following is examined to determine the age of timber?

Which of the following is/are the objectives of road sign? i. Promote road safety ii. Promote efficient movement of vehicles iii. Increase design speed iv. Calculate traffic volume v. Provide warning for safe movement

निम्नलिखित में से किसमें आर्थिक गतिविधि शामिल नहीं होगी।

Gross area of a tension member is defined as ______.

इलेक्ट्रॉन की खोज किसने की थी?

In a triangle PQR, PX, QY and RZ be altitudes intersecting at O. If PO = 6 cm, PX = 8 cm and QO = 4 cm, then what is the value (in cm) of QY?

निम्नलिखित में से कौन-सा बिहार कौशल विकास मिशन का कार्य है?

At the base of a mountain, a mercury barometer reads 700 mm whereas at the top it reads 500 mm of Mercury. The density of air is 1.23 kg/m3, is assumed constant. Determine the height of the mountain. (Take specific gravity of mercury as 13.6, and the density of water as 1000 kg/m³)