Q.4645·Miscellaneous·2021·EasyWhat is the name of the process that converts sulphide ores into oxides by heating strongly in the presence of excess air?View question
Q.4647·Miscellaneous·2021·EasyIf 1/(1×2) + 1/(2×3) + 1/(3×4) + ... + 1/[n(n+1)] = 99/100 then what is the value of n?View question
Q.4649·Miscellaneous·2021·EasyA trader gives successive discounts of 20%, 10% and 5% respectively. What is the overall discount?View question
Q.4650·Miscellaneous·2021·EasyA train travels 600 km in 5 hours and the next 900 km in 10 hours. What is the average speed of the train?View question
Q.4651·Miscellaneous·2021·EasyWalking at 3/4 of his usual speed, a man is 12 minutes late for his office. What is the usual time taken by him to cover that distance?View question
Q.4653·Miscellaneous·2021·EasyA train 200 m long passes a platform 100 m long in 10 seconds. What is the speed of the train?View question
Q.4654·Miscellaneous·2021·EasyConsider the pairs of prime numbers (m, n) between 50 and 100 such that m - n = 6. How many such pairs are there?View question
Q.4655·Miscellaneous·2021·EasyIn a discussion, M from Arunachal Pradesh, J from Assam, N from Meghalaya and S from Nagaland are claiming that as per Census 2011, their State has the maximum density of population. Identify the person making the correct claim.View question
Q.4656·Miscellaneous·2021·EasyThe size of particles being studied in ‘nano-technology’ is aboutView question
Q.4659·Miscellaneous·2021·EasyThe sum of the reciprocals of two alternate natural numbers is 7/24. What is the sum of the numbers?View question
Q.4660·Miscellaneous·2021·EasyIf 20 persons can clean 20 floors in 20 days, then in how many days can 16 persons clean 16 floors?View question
Q.4661·Miscellaneous·2021·EasyIn a mixture of 80 litres of a liquid and water, 25% of the mixture is the liquid. How much water should be added to the mixture so that the liquid becomes 20% of the mixture?View question
Q.4662·Miscellaneous·2021·EasyX sells his goods 25% cheaper than Y and 25% dearer than Z. How much percentage is Z's goods cheaper than Y?View question