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Divya has 1500 coins which are in the combination of gold and silver in the ratio of 5 ∶ 7. She distributed the silver coins among his three sons Nimesh, Monil and Gaurav in the ratio of 7 ∶ 12 ∶ 6. If Gaurav and Monil combined 60% of their silver coins and made jewelry from it and sell the remaining silver coins at Rs. 500 per coin, then the amount earned from selling of silver coin was distributed between Monil and Gaurav in the ratio of 12 ∶ 13. Find the difference between the amount earned by Gaurav and Monil from the silver coin transaction.
Which among the following statements is/are true? Exposure of silver chloride to sunlight for a long duration turns grey due to 1. the formation of silver by decomposition of silver chloride 2. sublimation of silver chloride 3. decomposition of chlorine gas from silver chloride 4. oxidation of silver chloride Select the correct answer using the codes given below.
Which one of the following is not correct about English bond? a) Bricks in one layer are laid on header bond and courses above and below are stretcher bond b) Bricks in one layer are laid on stretcher bond and courses above and below are header bond c) Every layer of bricks is laid on header and stretcher bond d) Bricks layer aligned such that vertical joint is continuous
A man has deposited his money in a bank under two separate options for 8 years. First option gives an interest rate of 8% for first 2 years and 11% for the rest of the time the money is kept in the bank. The second option is a fixed deposit that cannot be withdrawn before 8 years and gives an interest of 10% throughout the entire term. If interest on the deposit under option 1 is less than Second option by 15,400 at the time the term of second option ends and the total money is 80000. What is the amount of money deposited in each option? (Assume all interests are simple.)
For an investor who _____ money , silver or bond are good options .
Which of the following statements regarding an atom are correct? 1) If two atoms with similar ionization potential form a bond, then this bond will most probably be either covalent or metallic. 2) When atoms with different ionization potentials form a bond, the bond will be mainly ionic. 3) If the atom or molecule already has its outer shells completely full, then the bonding between the atoms or molecules will be a secondary bond when it solidifies.
Consider the following statements.  I. Pi-Bond is stronger than the Sigma Bond.  II. Sigma Bond is formed by linear overlapping of atomic orbitals.  III. In the case of Pi-Bond, the extent of overlapping of atomic orbitals is more as compared to the Sigma Bond.  Which among the above is/are NOT correct?
A certain dentist specializes in implanting gold and silver teeth in his patients mouths .He charges $ 650 for a gold tooth an $ 325. for a silver tooth. If his told fees for implanting gold and silver teeth last week were $ 15, 925 in total and he implanted five more gold teeth that silver teeth, how many teeth in total did he implant over the week?
If 3 kg of metal, which is one third silver and the rest aluminium, is mixed with 7 kg of another metal, which is two – seventh silver and the rest aluminium. What is the cost of Silver in new mixture of 10 kg if the cost of silver per kg is Rs. 600?
John, Johny and Janardan participated in a race and each won a different medal among Gold, Silver and Bronze, not necessarily in that order. Each person among them gives two replies to any question, one of which is true and the other is false (in any order). When asked about the details of the medals obtained by them, the following were their replies: John: I won the Gold medal. Johny won the Bronze medal. Johny: John won the Silver medal. I won the Gold medal. Janardan: Johny won the Silver medal. I won the Gold medal. Which among the following is the correct order of the persons who won the Gold medal, the Silver medal and the Bronze medal respectively?