why d is wrong

1) Shipwrecks are more likely to be found undisturbed at great depths than in shallow coastal waters, which exposes archaeological remains to turbulence and makes them accessible to anyone in scuba gear, whether they be archaeologist, treasure hunter, or sport diver. (A) than in shallow coastal wate...

ALSO DIOXINS THAT ARE UNCONTROLLED IS WORDY AND UNCONTROLLED DIOXIN IS MORE PRECISE

its gmat tells u that u should have unique answer. that means for a situation to be sufficient it should give u one and only one value of h. case (1) h=+6 also h=-6 both are different so NOT SUFFICIENT case (2) h=-6 and h=-6 note that both the values in this case are the same i.e. -6 so B IN ITSELF ...

The J.C. peny chain of retail stores broke with its conservative cash-and-carry policy during its 1958 reorganization for deciding to sell on credit. A. Same B. for the decision at its 1958 reorganization to sell (its 1958 wrong as its is possessive form so it gives the idea that 1958 belons to the ...

Lets see (1) K is divisible by 4 when k=4 answer to the main question stem is yes k=8 answer to the main question stem is no hence INSUFFICIENT See(2) K is divisible by exactly 4 different prime number. Lets say the 4 different prime numbers are 2,3,5 and 7 when k=2x3x5x7 answer to the main question...

Let C be the number of customers and B the number of errors in division B. The questio asks you to find B*100/C From (1) ((86+B)/(4860+C))=(1.5/100) Its imposible to find B/C from the above equation. INSUFFICIENT From (2) The value of C is given but we donot know B. so INSUFFICIENT BOTH (1) AND (2) ...