He has all his ducks in a row, he is complacent. 

मुहावरे का युक्तियुक्त अर्थ नहीं है – 

एक रंगीन घन को छोटे - छोटे घनों में काटा जाता है यदि 8 रंगहीन घन है तब छोटे घनों की कुल संख्या ज्ञात कीजिए ?

 $$6 {4\over 9}$$ % ..???kkk

सविता और करन को प्रत्येक माह इनके द्वारा बेची गई वस्तुओं के आधार पर कमीशन मिलता है यदि इन दोनों की सेल्स कमीशन Rs . 56,100 है । यदि सविता की कमीशन करन से 12% अधिक है, तो करन की कमीशन कितनी है ? 

Rearrange the following eight sentences/ group of sentences (A), (B), (C), (D), (E), (F), (G) and (H) in the proper sequence to form a meaningful paragraph, then answer the questions given below them.
(A) Both Ram and Shayam realized their mistake and were ashamed about what they had said.
(B) Vivek happened to overhear their conversation and was very angry with both of them for criticizing the tree.
(C) Two friends, Ram and Shayam, were seeking respite from the searing heat of the midday Sun when they saw a huge leafy tree.
(D) “It’s plain tree”, said his friend. “Don’t waste your time looking for fruits. It produces neither edible fruits nor good wood. It’s one of the most useless trees around.”
(E) “How can you say such a thing when you’re enjoying the shade of this beautiful tree at this very moment?” snapped Vivek unable to control his anger.
(F) They took shelter under the huge leafy tree and soon felt cool and refreshed.
(G) Busy belittling the tree both Ram and Shayam did not notice that another person, Vivek, was lying on the other side of the tree taking shelter.
(H) “What sort of a tree is this? Does it produce edible fruits?” asked Ram.
Which of the following should be the eighth (last) sentence after the rearrangement?

दो वस्तुओं की लागत 16: 23 के अनुपात में थी | पहली वस्तु की लागत में 10% की वृद्धि की जाती है और दूसरी में 477 रु. की वृद्धि की जाती है | अब दोनों वस्तुओं की लागत में अनुपात 11 : 20 है | प्रारम्भ में दूसरी वस्तु का मूल्य (रु. में) था